Home / 832,455.20-1,148,788.17-450,481.98

Finding the Fourth Proportional to 832,455.20, 1,148,788.17 and 450,481.98

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Solution

The fourth proportional to 832,455.20, 1,148,788.17 and 450,481.98 is: 621,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,455.20 : 1,148,788.17 = 450,481.98 : x
  2. Step 2: Convert to fraction form
    832,455.20/1,148,788.17 = 450,481.98/x
  3. Step 3: Cross multiply
    832,455.20x = 1,148,788.17 × 450,481.98
  4. Step 4: Simplify right side
    832,455.20x = 517,508,369,422.18
  5. Step 5: Solve for x
    x = 517,508,369,422.18/832,455.20
  6. Step 6: Final answer
    x = 621,665.13

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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.