Home / 724,864.68-1,000,341.36-402,599.25

Finding the Fourth Proportional to 724,864.68, 1,000,341.36 and 402,599.25

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Solution

The fourth proportional to 724,864.68, 1,000,341.36 and 402,599.25 is: 555,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,864.68 : 1,000,341.36 = 402,599.25 : x
  2. Step 2: Convert to fraction form
    724,864.68/1,000,341.36 = 402,599.25/x
  3. Step 3: Cross multiply
    724,864.68x = 1,000,341.36 × 402,599.25
  4. Step 4: Simplify right side
    724,864.68x = 402,736,681,279.98
  5. Step 5: Solve for x
    x = 402,736,681,279.98/724,864.68
  6. Step 6: Final answer
    x = 555,602.57

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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.