Home / 831,332.95-1,147,252.23-487,086.49

Finding the Fourth Proportional to 831,332.95, 1,147,252.23 and 487,086.49

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Solution

The fourth proportional to 831,332.95, 1,147,252.23 and 487,086.49 is: 672,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,332.95 : 1,147,252.23 = 487,086.49 : x
  2. Step 2: Convert to fraction form
    831,332.95/1,147,252.23 = 487,086.49/x
  3. Step 3: Cross multiply
    831,332.95x = 1,147,252.23 × 487,086.49
  4. Step 4: Simplify right side
    831,332.95x = 558,811,053,683.68
  5. Step 5: Solve for x
    x = 558,811,053,683.68/831,332.95
  6. Step 6: Final answer
    x = 672,186.83

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Double scale
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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.