Home / 970,521.52-1,455,918.18-339,291.76

Finding the Fourth Proportional to 970,521.52, 1,455,918.18 and 339,291.76

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Solution

The fourth proportional to 970,521.52, 1,455,918.18 and 339,291.76 is: 508,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,521.52 : 1,455,918.18 = 339,291.76 : x
  2. Step 2: Convert to fraction form
    970,521.52/1,455,918.18 = 339,291.76/x
  3. Step 3: Cross multiply
    970,521.52x = 1,455,918.18 × 339,291.76
  4. Step 4: Simplify right side
    970,521.52x = 493,981,041,708.20
  5. Step 5: Solve for x
    x = 493,981,041,708.20/970,521.52
  6. Step 6: Final answer
    x = 508,985.15

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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.