Home / 1,039,511.20-1,559,266.80-329,538.10

Finding the Fourth Proportional to 1,039,511.20, 1,559,266.80 and 329,538.10

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Solution

The fourth proportional to 1,039,511.20, 1,559,266.80 and 329,538.10 is: 494,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,511.20 : 1,559,266.80 = 329,538.10 : x
  2. Step 2: Convert to fraction form
    1,039,511.20/1,559,266.80 = 329,538.10/x
  3. Step 3: Cross multiply
    1,039,511.20x = 1,559,266.80 × 329,538.10
  4. Step 4: Simplify right side
    1,039,511.20x = 513,837,818,665.08
  5. Step 5: Solve for x
    x = 513,837,818,665.08/1,039,511.20
  6. Step 6: Final answer
    x = 494,307.15

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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.