Home / 724,920.36-1,000,362.42-402,651.14

Finding the Fourth Proportional to 724,920.36, 1,000,362.42 and 402,651.14

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Solution

The fourth proportional to 724,920.36, 1,000,362.42 and 402,651.14 is: 555,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,920.36 : 1,000,362.42 = 402,651.14 : x
  2. Step 2: Convert to fraction form
    724,920.36/1,000,362.42 = 402,651.14/x
  3. Step 3: Cross multiply
    724,920.36x = 1,000,362.42 × 402,651.14
  4. Step 4: Simplify right side
    724,920.36x = 402,797,063,824.35
  5. Step 5: Solve for x
    x = 402,797,063,824.35/724,920.36
  6. Step 6: Final answer
    x = 555,643.19

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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.