Home / 834,423.60-1,151,498.16-452,449.20

Finding the Fourth Proportional to 834,423.60, 1,151,498.16 and 452,449.20

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Solution

The fourth proportional to 834,423.60, 1,151,498.16 and 452,449.20 is: 624,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,423.60 : 1,151,498.16 = 452,449.20 : x
  2. Step 2: Convert to fraction form
    834,423.60/1,151,498.16 = 452,449.20/x
  3. Step 3: Cross multiply
    834,423.60x = 1,151,498.16 × 452,449.20
  4. Step 4: Simplify right side
    834,423.60x = 520,994,421,293.47
  5. Step 5: Solve for x
    x = 520,994,421,293.47/834,423.60
  6. Step 6: Final answer
    x = 624,376.42

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.