Home / 970,187.04-1,455,107.28-339,281.76

Finding the Fourth Proportional to 970,187.04, 1,455,107.28 and 339,281.76

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Solution

The fourth proportional to 970,187.04, 1,455,107.28 and 339,281.76 is: 508,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,187.04 : 1,455,107.28 = 339,281.76 : x
  2. Step 2: Convert to fraction form
    970,187.04/1,455,107.28 = 339,281.76/x
  3. Step 3: Cross multiply
    970,187.04x = 1,455,107.28 × 339,281.76
  4. Step 4: Simplify right side
    970,187.04x = 493,691,358,947.21
  5. Step 5: Solve for x
    x = 493,691,358,947.21/970,187.04
  6. Step 6: Final answer
    x = 508,862.04

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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.