Home / 498,332.77-687,618.12-294,355.39

Finding the Fourth Proportional to 498,332.77, 687,618.12 and 294,355.39

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Solution

The fourth proportional to 498,332.77, 687,618.12 and 294,355.39 is: 406,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,332.77 : 687,618.12 = 294,355.39 : x
  2. Step 2: Convert to fraction form
    498,332.77/687,618.12 = 294,355.39/x
  3. Step 3: Cross multiply
    498,332.77x = 687,618.12 × 294,355.39
  4. Step 4: Simplify right side
    498,332.77x = 202,404,099,883.67
  5. Step 5: Solve for x
    x = 202,404,099,883.67/498,332.77
  6. Step 6: Final answer
    x = 406,162.53

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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.