Home / 739,869.30-1,109,803.95-657,200.70

Finding the Fourth Proportional to 739,869.30, 1,109,803.95 and 657,200.70

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Solution

The fourth proportional to 739,869.30, 1,109,803.95 and 657,200.70 is: 985,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,869.30 : 1,109,803.95 = 657,200.70 : x
  2. Step 2: Convert to fraction form
    739,869.30/1,109,803.95 = 657,200.70/x
  3. Step 3: Cross multiply
    739,869.30x = 1,109,803.95 × 657,200.70
  4. Step 4: Simplify right side
    739,869.30x = 729,363,932,802.77
  5. Step 5: Solve for x
    x = 729,363,932,802.77/739,869.30
  6. Step 6: Final answer
    x = 985,801.05

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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.