Home / 891,602.20-1,337,403.30-513,688.60

Finding the Fourth Proportional to 891,602.20, 1,337,403.30 and 513,688.60

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Solution

The fourth proportional to 891,602.20, 1,337,403.30 and 513,688.60 is: 770,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,602.20 : 1,337,403.30 = 513,688.60 : x
  2. Step 2: Convert to fraction form
    891,602.20/1,337,403.30 = 513,688.60/x
  3. Step 3: Cross multiply
    891,602.20x = 1,337,403.30 × 513,688.60
  4. Step 4: Simplify right side
    891,602.20x = 687,008,828,812.38
  5. Step 5: Solve for x
    x = 687,008,828,812.38/891,602.20
  6. Step 6: Final answer
    x = 770,532.90

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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.