Home / 872,898.44-1,309,348.37-417,382.49

Finding the Fourth Proportional to 872,898.44, 1,309,348.37 and 417,382.49

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Solution

The fourth proportional to 872,898.44, 1,309,348.37 and 417,382.49 is: 626,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,898.44 : 1,309,348.37 = 417,382.49 : x
  2. Step 2: Convert to fraction form
    872,898.44/1,309,348.37 = 417,382.49/x
  3. Step 3: Cross multiply
    872,898.44x = 1,309,348.37 × 417,382.49
  4. Step 4: Simplify right side
    872,898.44x = 546,499,087,264.87
  5. Step 5: Solve for x
    x = 546,499,087,264.87/872,898.44
  6. Step 6: Final answer
    x = 626,074.08

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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.