Home / 992,622.45-1,488,207.87-318,319.95

Finding the Fourth Proportional to 992,622.45, 1,488,207.87 and 318,319.95

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Solution

The fourth proportional to 992,622.45, 1,488,207.87 and 318,319.95 is: 477,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,622.45 : 1,488,207.87 = 318,319.95 : x
  2. Step 2: Convert to fraction form
    992,622.45/1,488,207.87 = 318,319.95/x
  3. Step 3: Cross multiply
    992,622.45x = 1,488,207.87 × 318,319.95
  4. Step 4: Simplify right side
    992,622.45x = 473,726,254,768.01
  5. Step 5: Solve for x
    x = 473,726,254,768.01/992,622.45
  6. Step 6: Final answer
    x = 477,247.17

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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.