Home / 956,881.20-1,435,321.80-425,440.20

Finding the Fourth Proportional to 956,881.20, 1,435,321.80 and 425,440.20

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Solution

The fourth proportional to 956,881.20, 1,435,321.80 and 425,440.20 is: 638,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,881.20 : 1,435,321.80 = 425,440.20 : x
  2. Step 2: Convert to fraction form
    956,881.20/1,435,321.80 = 425,440.20/x
  3. Step 3: Cross multiply
    956,881.20x = 1,435,321.80 × 425,440.20
  4. Step 4: Simplify right side
    956,881.20x = 610,643,593,656.36
  5. Step 5: Solve for x
    x = 610,643,593,656.36/956,881.20
  6. Step 6: Final answer
    x = 638,160.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.