Home / 739,102.40-1,108,653.60-579,670.10

Finding the Fourth Proportional to 739,102.40, 1,108,653.60 and 579,670.10

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Solution

The fourth proportional to 739,102.40, 1,108,653.60 and 579,670.10 is: 869,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,102.40 : 1,108,653.60 = 579,670.10 : x
  2. Step 2: Convert to fraction form
    739,102.40/1,108,653.60 = 579,670.10/x
  3. Step 3: Cross multiply
    739,102.40x = 1,108,653.60 × 579,670.10
  4. Step 4: Simplify right side
    739,102.40x = 642,653,343,177.36
  5. Step 5: Solve for x
    x = 642,653,343,177.36/739,102.40
  6. Step 6: Final answer
    x = 869,505.15

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Double scale
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Similar ratio
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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.