Home / 729,695.92-1,006,938.06-407,426.42

Finding the Fourth Proportional to 729,695.92, 1,006,938.06 and 407,426.42

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Solution

The fourth proportional to 729,695.92, 1,006,938.06 and 407,426.42 is: 562,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,695.92 : 1,006,938.06 = 407,426.42 : x
  2. Step 2: Convert to fraction form
    729,695.92/1,006,938.06 = 407,426.42/x
  3. Step 3: Cross multiply
    729,695.92x = 1,006,938.06 × 407,426.42
  4. Step 4: Simplify right side
    729,695.92x = 410,253,168,947.55
  5. Step 5: Solve for x
    x = 410,253,168,947.55/729,695.92
  6. Step 6: Final answer
    x = 562,224.84

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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.