Home / 676,943.38-1,015,152.63-361,228.06

Finding the Fourth Proportional to 676,943.38, 1,015,152.63 and 361,228.06

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Solution

The fourth proportional to 676,943.38, 1,015,152.63 and 361,228.06 is: 541,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,943.38 : 1,015,152.63 = 361,228.06 : x
  2. Step 2: Convert to fraction form
    676,943.38/1,015,152.63 = 361,228.06/x
  3. Step 3: Cross multiply
    676,943.38x = 1,015,152.63 × 361,228.06
  4. Step 4: Simplify right side
    676,943.38x = 366,701,615,138.80
  5. Step 5: Solve for x
    x = 366,701,615,138.80/676,943.38
  6. Step 6: Final answer
    x = 541,702.05

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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.