Home / 992,466.40-1,488,671.84-318,542.40

Finding the Fourth Proportional to 992,466.40, 1,488,671.84 and 318,542.40

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Solution

The fourth proportional to 992,466.40, 1,488,671.84 and 318,542.40 is: 477,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,466.40 : 1,488,671.84 = 318,542.40 : x
  2. Step 2: Convert to fraction form
    992,466.40/1,488,671.84 = 318,542.40/x
  3. Step 3: Cross multiply
    992,466.40x = 1,488,671.84 × 318,542.40
  4. Step 4: Simplify right side
    992,466.40x = 474,205,100,726.02
  5. Step 5: Solve for x
    x = 474,205,100,726.02/992,466.40
  6. Step 6: Final answer
    x = 477,804.69

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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.