Home / 992,214.77-1,488,182.02-318,208.49

Finding the Fourth Proportional to 992,214.77, 1,488,182.02 and 318,208.49

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Solution

The fourth proportional to 992,214.77, 1,488,182.02 and 318,208.49 is: 477,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,214.77 : 1,488,182.02 = 318,208.49 : x
  2. Step 2: Convert to fraction form
    992,214.77/1,488,182.02 = 318,208.49/x
  3. Step 3: Cross multiply
    992,214.77x = 1,488,182.02 × 318,208.49
  4. Step 4: Simplify right side
    992,214.77x = 473,552,145,192.92
  5. Step 5: Solve for x
    x = 473,552,145,192.92/992,214.77
  6. Step 6: Final answer
    x = 477,267.79

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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.