Home / 739,101.40-1,108,652.10-579,669.10

Finding the Fourth Proportional to 739,101.40, 1,108,652.10 and 579,669.10

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Solution

The fourth proportional to 739,101.40, 1,108,652.10 and 579,669.10 is: 869,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,101.40 : 1,108,652.10 = 579,669.10 : x
  2. Step 2: Convert to fraction form
    739,101.40/1,108,652.10 = 579,669.10/x
  3. Step 3: Cross multiply
    739,101.40x = 1,108,652.10 × 579,669.10
  4. Step 4: Simplify right side
    739,101.40x = 642,651,365,020.11
  5. Step 5: Solve for x
    x = 642,651,365,020.11/739,101.40
  6. Step 6: Final answer
    x = 869,503.65

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Double scale
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1.5x scale

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.