Home / 434,824.80-652,237.20-391,279.20

Finding the Fourth Proportional to 434,824.80, 652,237.20 and 391,279.20

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Solution

The fourth proportional to 434,824.80, 652,237.20 and 391,279.20 is: 586,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,824.80 : 652,237.20 = 391,279.20 : x
  2. Step 2: Convert to fraction form
    434,824.80/652,237.20 = 391,279.20/x
  3. Step 3: Cross multiply
    434,824.80x = 652,237.20 × 391,279.20
  4. Step 4: Simplify right side
    434,824.80x = 255,206,849,826.24
  5. Step 5: Solve for x
    x = 255,206,849,826.24/434,824.80
  6. Step 6: Final answer
    x = 586,918.80

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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.