Home / 992,297.04-1,488,454.74-318,379.74

Finding the Fourth Proportional to 992,297.04, 1,488,454.74 and 318,379.74

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Solution

The fourth proportional to 992,297.04, 1,488,454.74 and 318,379.74 is: 477,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,297.04 : 1,488,454.74 = 318,379.74 : x
  2. Step 2: Convert to fraction form
    992,297.04/1,488,454.74 = 318,379.74/x
  3. Step 3: Cross multiply
    992,297.04x = 1,488,454.74 × 318,379.74
  4. Step 4: Simplify right side
    992,297.04x = 473,893,833,122.97
  5. Step 5: Solve for x
    x = 473,893,833,122.97/992,297.04
  6. Step 6: Final answer
    x = 477,572.56

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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.