Home / 724,947.24-1,000,399.37-402,677.94

Finding the Fourth Proportional to 724,947.24, 1,000,399.37 and 402,677.94

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Solution

The fourth proportional to 724,947.24, 1,000,399.37 and 402,677.94 is: 555,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,947.24 : 1,000,399.37 = 402,677.94 : x
  2. Step 2: Convert to fraction form
    724,947.24/1,000,399.37 = 402,677.94/x
  3. Step 3: Cross multiply
    724,947.24x = 1,000,399.37 × 402,677.94
  4. Step 4: Simplify right side
    724,947.24x = 402,838,755,475.51
  5. Step 5: Solve for x
    x = 402,838,755,475.51/724,947.24
  6. Step 6: Final answer
    x = 555,680.10

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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.