Home / 738,006.60-1,106,135.10-311,541.60

Finding the Fourth Proportional to 738,006.60, 1,106,135.10 and 311,541.60

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Solution

The fourth proportional to 738,006.60, 1,106,135.10 and 311,541.60 is: 466,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,006.60 : 1,106,135.10 = 311,541.60 : x
  2. Step 2: Convert to fraction form
    738,006.60/1,106,135.10 = 311,541.60/x
  3. Step 3: Cross multiply
    738,006.60x = 1,106,135.10 × 311,541.60
  4. Step 4: Simplify right side
    738,006.60x = 344,607,098,870.16
  5. Step 5: Solve for x
    x = 344,607,098,870.16/738,006.60
  6. Step 6: Final answer
    x = 466,943.11

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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.