Home / 698,581.89-1,047,897.45-272,149.71

Finding the Fourth Proportional to 698,581.89, 1,047,897.45 and 272,149.71

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Solution

The fourth proportional to 698,581.89, 1,047,897.45 and 272,149.71 is: 408,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,581.89 : 1,047,897.45 = 272,149.71 : x
  2. Step 2: Convert to fraction form
    698,581.89/1,047,897.45 = 272,149.71/x
  3. Step 3: Cross multiply
    698,581.89x = 1,047,897.45 × 272,149.71
  4. Step 4: Simplify right side
    698,581.89x = 285,184,987,127.24
  5. Step 5: Solve for x
    x = 285,184,987,127.24/698,581.89
  6. Step 6: Final answer
    x = 408,234.15

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1.5x scale

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.