Home / 753,345.32-1,039,156.14-447,213.92

Finding the Fourth Proportional to 753,345.32, 1,039,156.14 and 447,213.92

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Solution

The fourth proportional to 753,345.32, 1,039,156.14 and 447,213.92 is: 616,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,345.32 : 1,039,156.14 = 447,213.92 : x
  2. Step 2: Convert to fraction form
    753,345.32/1,039,156.14 = 447,213.92/x
  3. Step 3: Cross multiply
    753,345.32x = 1,039,156.14 × 447,213.92
  4. Step 4: Simplify right side
    753,345.32x = 464,725,090,861.47
  5. Step 5: Solve for x
    x = 464,725,090,861.47/753,345.32
  6. Step 6: Final answer
    x = 616,881.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.