Home / 513,139.86-769,741.38-197,597.07

Finding the Fourth Proportional to 513,139.86, 769,741.38 and 197,597.07

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Solution

The fourth proportional to 513,139.86, 769,741.38 and 197,597.07 is: 296,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,139.86 : 769,741.38 = 197,597.07 : x
  2. Step 2: Convert to fraction form
    513,139.86/769,741.38 = 197,597.07/x
  3. Step 3: Cross multiply
    513,139.86x = 769,741.38 × 197,597.07
  4. Step 4: Simplify right side
    513,139.86x = 152,098,641,345.76
  5. Step 5: Solve for x
    x = 152,098,641,345.76/513,139.86
  6. Step 6: Final answer
    x = 296,407.77

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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.