Home / 921,502.72-1,386,470.40-547,805.44

Finding the Fourth Proportional to 921,502.72, 1,386,470.40 and 547,805.44

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Solution

The fourth proportional to 921,502.72, 1,386,470.40 and 547,805.44 is: 824,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,502.72 : 1,386,470.40 = 547,805.44 : x
  2. Step 2: Convert to fraction form
    921,502.72/1,386,470.40 = 547,805.44/x
  3. Step 3: Cross multiply
    921,502.72x = 1,386,470.40 × 547,805.44
  4. Step 4: Simplify right side
    921,502.72x = 759,516,027,518.98
  5. Step 5: Solve for x
    x = 759,516,027,518.98/921,502.72
  6. Step 6: Final answer
    x = 824,214.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.