Home / 948,812.42-1,309,375.90-519,099.74

Finding the Fourth Proportional to 948,812.42, 1,309,375.90 and 519,099.74

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Solution

The fourth proportional to 948,812.42, 1,309,375.90 and 519,099.74 is: 716,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,812.42 : 1,309,375.90 = 519,099.74 : x
  2. Step 2: Convert to fraction form
    948,812.42/1,309,375.90 = 519,099.74/x
  3. Step 3: Cross multiply
    948,812.42x = 1,309,375.90 × 519,099.74
  4. Step 4: Simplify right side
    948,812.42x = 679,696,689,252.27
  5. Step 5: Solve for x
    x = 679,696,689,252.27/948,812.42
  6. Step 6: Final answer
    x = 716,365.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.