Home / 862,264.91-1,189,962.29-480,291.86

Finding the Fourth Proportional to 862,264.91, 1,189,962.29 and 480,291.86

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Solution

The fourth proportional to 862,264.91, 1,189,962.29 and 480,291.86 is: 662,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,264.91 : 1,189,962.29 = 480,291.86 : x
  2. Step 2: Convert to fraction form
    862,264.91/1,189,962.29 = 480,291.86/x
  3. Step 3: Cross multiply
    862,264.91x = 1,189,962.29 × 480,291.86
  4. Step 4: Simplify right side
    862,264.91x = 571,529,201,593.96
  5. Step 5: Solve for x
    x = 571,529,201,593.96/862,264.91
  6. Step 6: Final answer
    x = 662,823.22

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Why These Related Problems?

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