Home / 880,112.32-1,319,957.10-406,342.48

Finding the Fourth Proportional to 880,112.32, 1,319,957.10 and 406,342.48

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Solution

The fourth proportional to 880,112.32, 1,319,957.10 and 406,342.48 is: 609,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,112.32 : 1,319,957.10 = 406,342.48 : x
  2. Step 2: Convert to fraction form
    880,112.32/1,319,957.10 = 406,342.48/x
  3. Step 3: Cross multiply
    880,112.32x = 1,319,957.10 × 406,342.48
  4. Step 4: Simplify right side
    880,112.32x = 536,354,641,507.61
  5. Step 5: Solve for x
    x = 536,354,641,507.61/880,112.32
  6. Step 6: Final answer
    x = 609,416.13

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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.