Home / 832,472.81-1,148,815.35-450,499.49

Finding the Fourth Proportional to 832,472.81, 1,148,815.35 and 450,499.49

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Solution

The fourth proportional to 832,472.81, 1,148,815.35 and 450,499.49 is: 621,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,472.81 : 1,148,815.35 = 450,499.49 : x
  2. Step 2: Convert to fraction form
    832,472.81/1,148,815.35 = 450,499.49/x
  3. Step 3: Cross multiply
    832,472.81x = 1,148,815.35 × 450,499.49
  4. Step 4: Simplify right side
    832,472.81x = 517,540,729,279.17
  5. Step 5: Solve for x
    x = 517,540,729,279.17/832,472.81
  6. Step 6: Final answer
    x = 621,690.85

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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.