Home / 872,962.50-1,309,499.10-273,947.28

Finding the Fourth Proportional to 872,962.50, 1,309,499.10 and 273,947.28

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Solution

The fourth proportional to 872,962.50, 1,309,499.10 and 273,947.28 is: 410,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,962.50 : 1,309,499.10 = 273,947.28 : x
  2. Step 2: Convert to fraction form
    872,962.50/1,309,499.10 = 273,947.28/x
  3. Step 3: Cross multiply
    872,962.50x = 1,309,499.10 × 273,947.28
  4. Step 4: Simplify right side
    872,962.50x = 358,733,716,607.45
  5. Step 5: Solve for x
    x = 358,733,716,607.45/872,962.50
  6. Step 6: Final answer
    x = 410,938.29

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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.