Home / 472,835.30-652,510.50-257,974.70

Finding the Fourth Proportional to 472,835.30, 652,510.50 and 257,974.70

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Solution

The fourth proportional to 472,835.30, 652,510.50 and 257,974.70 is: 356,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,835.30 : 652,510.50 = 257,974.70 : x
  2. Step 2: Convert to fraction form
    472,835.30/652,510.50 = 257,974.70/x
  3. Step 3: Cross multiply
    472,835.30x = 652,510.50 × 257,974.70
  4. Step 4: Simplify right side
    472,835.30x = 168,331,200,484.35
  5. Step 5: Solve for x
    x = 168,331,200,484.35/472,835.30
  6. Step 6: Final answer
    x = 356,003.88

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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.