Home / 665,088.10-997,632.15-452,511.70

Finding the Fourth Proportional to 665,088.10, 997,632.15 and 452,511.70

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Solution

The fourth proportional to 665,088.10, 997,632.15 and 452,511.70 is: 678,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,088.10 : 997,632.15 = 452,511.70 : x
  2. Step 2: Convert to fraction form
    665,088.10/997,632.15 = 452,511.70/x
  3. Step 3: Cross multiply
    665,088.10x = 997,632.15 × 452,511.70
  4. Step 4: Simplify right side
    665,088.10x = 451,440,220,171.16
  5. Step 5: Solve for x
    x = 451,440,220,171.16/665,088.10
  6. Step 6: Final answer
    x = 678,767.55

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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.