Home / 693,110.40-1,039,147.20-377,923.20

Finding the Fourth Proportional to 693,110.40, 1,039,147.20 and 377,923.20

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Solution

The fourth proportional to 693,110.40, 1,039,147.20 and 377,923.20 is: 566,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,110.40 : 1,039,147.20 = 377,923.20 : x
  2. Step 2: Convert to fraction form
    693,110.40/1,039,147.20 = 377,923.20/x
  3. Step 3: Cross multiply
    693,110.40x = 1,039,147.20 × 377,923.20
  4. Step 4: Simplify right side
    693,110.40x = 392,717,835,095.04
  5. Step 5: Solve for x
    x = 392,717,835,095.04/693,110.40
  6. Step 6: Final answer
    x = 566,602.14

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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.