Home / 917,401.96-1,375,381.86-579,732.40

Finding the Fourth Proportional to 917,401.96, 1,375,381.86 and 579,732.40

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Solution

The fourth proportional to 917,401.96, 1,375,381.86 and 579,732.40 is: 869,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,401.96 : 1,375,381.86 = 579,732.40 : x
  2. Step 2: Convert to fraction form
    917,401.96/1,375,381.86 = 579,732.40/x
  3. Step 3: Cross multiply
    917,401.96x = 1,375,381.86 × 579,732.40
  4. Step 4: Simplify right side
    917,401.96x = 797,353,426,614.26
  5. Step 5: Solve for x
    x = 797,353,426,614.26/917,401.96
  6. Step 6: Final answer
    x = 869,142.93

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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.