Home / 1,048,468.20-1,572,702.30-338,519.40

Finding the Fourth Proportional to 1,048,468.20, 1,572,702.30 and 338,519.40

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Solution

The fourth proportional to 1,048,468.20, 1,572,702.30 and 338,519.40 is: 507,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,468.20 : 1,572,702.30 = 338,519.40 : x
  2. Step 2: Convert to fraction form
    1,048,468.20/1,572,702.30 = 338,519.40/x
  3. Step 3: Cross multiply
    1,048,468.20x = 1,572,702.30 × 338,519.40
  4. Step 4: Simplify right side
    1,048,468.20x = 532,390,238,974.62
  5. Step 5: Solve for x
    x = 532,390,238,974.62/1,048,468.20
  6. Step 6: Final answer
    x = 507,779.10

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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.