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Finding the Fourth Proportional to 597,130.80, 895,696.20 and 479,032.80

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Solution

The fourth proportional to 597,130.80, 895,696.20 and 479,032.80 is: 718,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,130.80 : 895,696.20 = 479,032.80 : x
  2. Step 2: Convert to fraction form
    597,130.80/895,696.20 = 479,032.80/x
  3. Step 3: Cross multiply
    597,130.80x = 895,696.20 × 479,032.80
  4. Step 4: Simplify right side
    597,130.80x = 429,067,858,635.36
  5. Step 5: Solve for x
    x = 429,067,858,635.36/597,130.80
  6. Step 6: Final answer
    x = 718,549.20

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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.