Home / 811,516.92-1,119,926.28-448,934.52

Finding the Fourth Proportional to 811,516.92, 1,119,926.28 and 448,934.52

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Solution

The fourth proportional to 811,516.92, 1,119,926.28 and 448,934.52 is: 619,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,516.92 : 1,119,926.28 = 448,934.52 : x
  2. Step 2: Convert to fraction form
    811,516.92/1,119,926.28 = 448,934.52/x
  3. Step 3: Cross multiply
    811,516.92x = 1,119,926.28 × 448,934.52
  4. Step 4: Simplify right side
    811,516.92x = 502,773,566,947.19
  5. Step 5: Solve for x
    x = 502,773,566,947.19/811,516.92
  6. Step 6: Final answer
    x = 619,547.85

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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.