Home / 559,319.23-771,833.15-317,596.61

Finding the Fourth Proportional to 559,319.23, 771,833.15 and 317,596.61

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Solution

The fourth proportional to 559,319.23, 771,833.15 and 317,596.61 is: 438,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,319.23 : 771,833.15 = 317,596.61 : x
  2. Step 2: Convert to fraction form
    559,319.23/771,833.15 = 317,596.61/x
  3. Step 3: Cross multiply
    559,319.23x = 771,833.15 × 317,596.61
  4. Step 4: Simplify right side
    559,319.23x = 245,131,595,244.69
  5. Step 5: Solve for x
    x = 245,131,595,244.69/559,319.23
  6. Step 6: Final answer
    x = 438,267.78

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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.