Home / 699,085.31-1,049,609.81-357,772.87

Finding the Fourth Proportional to 699,085.31, 1,049,609.81 and 357,772.87

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Solution

The fourth proportional to 699,085.31, 1,049,609.81 and 357,772.87 is: 537,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,085.31 : 1,049,609.81 = 357,772.87 : x
  2. Step 2: Convert to fraction form
    699,085.31/1,049,609.81 = 357,772.87/x
  3. Step 3: Cross multiply
    699,085.31x = 1,049,609.81 × 357,772.87
  4. Step 4: Simplify right side
    699,085.31x = 375,521,913,374.96
  5. Step 5: Solve for x
    x = 375,521,913,374.96/699,085.31
  6. Step 6: Final answer
    x = 537,161.78

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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.