Home / 992,301.04-1,488,460.76-318,383.76

Finding the Fourth Proportional to 992,301.04, 1,488,460.76 and 318,383.76

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Solution

The fourth proportional to 992,301.04, 1,488,460.76 and 318,383.76 is: 477,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,301.04 : 1,488,460.76 = 318,383.76 : x
  2. Step 2: Convert to fraction form
    992,301.04/1,488,460.76 = 318,383.76/x
  3. Step 3: Cross multiply
    992,301.04x = 1,488,460.76 × 318,383.76
  4. Step 4: Simplify right side
    992,301.04x = 473,901,733,381.26
  5. Step 5: Solve for x
    x = 473,901,733,381.26/992,301.04
  6. Step 6: Final answer
    x = 477,578.59

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1.5x scale

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.