Home / 912,531.90-1,367,830.17-351,323.58

Finding the Fourth Proportional to 912,531.90, 1,367,830.17 and 351,323.58

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Solution

The fourth proportional to 912,531.90, 1,367,830.17 and 351,323.58 is: 526,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,531.90 : 1,367,830.17 = 351,323.58 : x
  2. Step 2: Convert to fraction form
    912,531.90/1,367,830.17 = 351,323.58/x
  3. Step 3: Cross multiply
    912,531.90x = 1,367,830.17 × 351,323.58
  4. Step 4: Simplify right side
    912,531.90x = 480,550,992,156.41
  5. Step 5: Solve for x
    x = 480,550,992,156.41/912,531.90
  6. Step 6: Final answer
    x = 526,612.81

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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.