Home / 729,592.87-1,006,734.04-407,295.90

Finding the Fourth Proportional to 729,592.87, 1,006,734.04 and 407,295.90

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Solution

The fourth proportional to 729,592.87, 1,006,734.04 and 407,295.90 is: 562,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,592.87 : 1,006,734.04 = 407,295.90 : x
  2. Step 2: Convert to fraction form
    729,592.87/1,006,734.04 = 407,295.90/x
  3. Step 3: Cross multiply
    729,592.87x = 1,006,734.04 × 407,295.90
  4. Step 4: Simplify right side
    729,592.87x = 410,038,646,882.44
  5. Step 5: Solve for x
    x = 410,038,646,882.44/729,592.87
  6. Step 6: Final answer
    x = 562,010.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.