Home / 727,145.01-1,088,666.91-384,812.98

Finding the Fourth Proportional to 727,145.01, 1,088,666.91 and 384,812.98

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Solution

The fourth proportional to 727,145.01, 1,088,666.91 and 384,812.98 is: 576,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,145.01 : 1,088,666.91 = 384,812.98 : x
  2. Step 2: Convert to fraction form
    727,145.01/1,088,666.91 = 384,812.98/x
  3. Step 3: Cross multiply
    727,145.01x = 1,088,666.91 × 384,812.98
  4. Step 4: Simplify right side
    727,145.01x = 418,933,155,142.82
  5. Step 5: Solve for x
    x = 418,933,155,142.82/727,145.01
  6. Step 6: Final answer
    x = 576,134.26

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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.