Home / 915,259.30-1,372,874.23-284,173.72

Finding the Fourth Proportional to 915,259.30, 1,372,874.23 and 284,173.72

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Solution

The fourth proportional to 915,259.30, 1,372,874.23 and 284,173.72 is: 426,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,259.30 : 1,372,874.23 = 284,173.72 : x
  2. Step 2: Convert to fraction form
    915,259.30/1,372,874.23 = 284,173.72/x
  3. Step 3: Cross multiply
    915,259.30x = 1,372,874.23 × 284,173.72
  4. Step 4: Simplify right side
    915,259.30x = 390,134,777,031.24
  5. Step 5: Solve for x
    x = 390,134,777,031.24/915,259.30
  6. Step 6: Final answer
    x = 426,256.01

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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.