Home / 915,609.90-1,373,587.02-368,544.12

Finding the Fourth Proportional to 915,609.90, 1,373,587.02 and 368,544.12

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Solution

The fourth proportional to 915,609.90, 1,373,587.02 and 368,544.12 is: 552,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,609.90 : 1,373,587.02 = 368,544.12 : x
  2. Step 2: Convert to fraction form
    915,609.90/1,373,587.02 = 368,544.12/x
  3. Step 3: Cross multiply
    915,609.90x = 1,373,587.02 × 368,544.12
  4. Step 4: Simplify right side
    915,609.90x = 506,227,419,529.32
  5. Step 5: Solve for x
    x = 506,227,419,529.32/915,609.90
  6. Step 6: Final answer
    x = 552,885.48

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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.