Home / 711,520.20-1,064,688.30-524,896.20

Finding the Fourth Proportional to 711,520.20, 1,064,688.30 and 524,896.20

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Solution

The fourth proportional to 711,520.20, 1,064,688.30 and 524,896.20 is: 785,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,520.20 : 1,064,688.30 = 524,896.20 : x
  2. Step 2: Convert to fraction form
    711,520.20/1,064,688.30 = 524,896.20/x
  3. Step 3: Cross multiply
    711,520.20x = 1,064,688.30 × 524,896.20
  4. Step 4: Simplify right side
    711,520.20x = 558,850,842,854.46
  5. Step 5: Solve for x
    x = 558,850,842,854.46/711,520.20
  6. Step 6: Final answer
    x = 785,432.15

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