Home / 756,364.20-1,134,546.30-357,783.45

Finding the Fourth Proportional to 756,364.20, 1,134,546.30 and 357,783.45

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Solution

The fourth proportional to 756,364.20, 1,134,546.30 and 357,783.45 is: 536,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,364.20 : 1,134,546.30 = 357,783.45 : x
  2. Step 2: Convert to fraction form
    756,364.20/1,134,546.30 = 357,783.45/x
  3. Step 3: Cross multiply
    756,364.20x = 1,134,546.30 × 357,783.45
  4. Step 4: Simplify right side
    756,364.20x = 405,921,889,398.74
  5. Step 5: Solve for x
    x = 405,921,889,398.74/756,364.20
  6. Step 6: Final answer
    x = 536,675.18

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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.