Home / 686,250.34-1,029,620.52-416,927.90

Finding the Fourth Proportional to 686,250.34, 1,029,620.52 and 416,927.90

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Solution

The fourth proportional to 686,250.34, 1,029,620.52 and 416,927.90 is: 625,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,250.34 : 1,029,620.52 = 416,927.90 : x
  2. Step 2: Convert to fraction form
    686,250.34/1,029,620.52 = 416,927.90/x
  3. Step 3: Cross multiply
    686,250.34x = 1,029,620.52 × 416,927.90
  4. Step 4: Simplify right side
    686,250.34x = 429,277,521,200.51
  5. Step 5: Solve for x
    x = 429,277,521,200.51/686,250.34
  6. Step 6: Final answer
    x = 625,540.70

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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.