Home / 703,990.32-1,054,898.61-475,390.10

Finding the Fourth Proportional to 703,990.32, 1,054,898.61 and 475,390.10

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Solution

The fourth proportional to 703,990.32, 1,054,898.61 and 475,390.10 is: 712,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,990.32 : 1,054,898.61 = 475,390.10 : x
  2. Step 2: Convert to fraction form
    703,990.32/1,054,898.61 = 475,390.10/x
  3. Step 3: Cross multiply
    703,990.32x = 1,054,898.61 × 475,390.10
  4. Step 4: Simplify right side
    703,990.32x = 501,488,350,423.27
  5. Step 5: Solve for x
    x = 501,488,350,423.27/703,990.32
  6. Step 6: Final answer
    x = 712,351.20

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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.