Home / 953,296.80-1,315,000.42-571,102.14

Finding the Fourth Proportional to 953,296.80, 1,315,000.42 and 571,102.14

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Solution

The fourth proportional to 953,296.80, 1,315,000.42 and 571,102.14 is: 787,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,296.80 : 1,315,000.42 = 571,102.14 : x
  2. Step 2: Convert to fraction form
    953,296.80/1,315,000.42 = 571,102.14/x
  3. Step 3: Cross multiply
    953,296.80x = 1,315,000.42 × 571,102.14
  4. Step 4: Simplify right side
    953,296.80x = 750,999,560,678.85
  5. Step 5: Solve for x
    x = 750,999,560,678.85/953,296.80
  6. Step 6: Final answer
    x = 787,791.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.