Home / 992,534.40-1,488,412.80-361,123.20

Finding the Fourth Proportional to 992,534.40, 1,488,412.80 and 361,123.20

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Solution

The fourth proportional to 992,534.40, 1,488,412.80 and 361,123.20 is: 541,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,534.40 : 1,488,412.80 = 361,123.20 : x
  2. Step 2: Convert to fraction form
    992,534.40/1,488,412.80 = 361,123.20/x
  3. Step 3: Cross multiply
    992,534.40x = 1,488,412.80 × 361,123.20
  4. Step 4: Simplify right side
    992,534.40x = 537,500,393,256.96
  5. Step 5: Solve for x
    x = 537,500,393,256.96/992,534.40
  6. Step 6: Final answer
    x = 541,543.34

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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.