Home / 652,015.20-977,332.52-219,320.75

Finding the Fourth Proportional to 652,015.20, 977,332.52 and 219,320.75

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Solution

The fourth proportional to 652,015.20, 977,332.52 and 219,320.75 is: 328,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,015.20 : 977,332.52 = 219,320.75 : x
  2. Step 2: Convert to fraction form
    652,015.20/977,332.52 = 219,320.75/x
  3. Step 3: Cross multiply
    652,015.20x = 977,332.52 × 219,320.75
  4. Step 4: Simplify right side
    652,015.20x = 214,349,300,737.49
  5. Step 5: Solve for x
    x = 214,349,300,737.49/652,015.20
  6. Step 6: Final answer
    x = 328,748.93

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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.