Home / 553,224.80-829,837.20-343,272.80

Finding the Fourth Proportional to 553,224.80, 829,837.20 and 343,272.80

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Solution

The fourth proportional to 553,224.80, 829,837.20 and 343,272.80 is: 514,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,224.80 : 829,837.20 = 343,272.80 : x
  2. Step 2: Convert to fraction form
    553,224.80/829,837.20 = 343,272.80/x
  3. Step 3: Cross multiply
    553,224.80x = 829,837.20 × 343,272.80
  4. Step 4: Simplify right side
    553,224.80x = 284,860,539,188.16
  5. Step 5: Solve for x
    x = 284,860,539,188.16/553,224.80
  6. Step 6: Final answer
    x = 514,909.20

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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.