Home / 798,936.60-1,199,787.30-425,688.60

Finding the Fourth Proportional to 798,936.60, 1,199,787.30 and 425,688.60

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Solution

The fourth proportional to 798,936.60, 1,199,787.30 and 425,688.60 is: 639,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,936.60 : 1,199,787.30 = 425,688.60 : x
  2. Step 2: Convert to fraction form
    798,936.60/1,199,787.30 = 425,688.60/x
  3. Step 3: Cross multiply
    798,936.60x = 1,199,787.30 × 425,688.60
  4. Step 4: Simplify right side
    798,936.60x = 510,735,776,034.78
  5. Step 5: Solve for x
    x = 510,735,776,034.78/798,936.60
  6. Step 6: Final answer
    x = 639,269.47

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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.