Home / 865,267.40-1,297,901.10-366,566.60

Finding the Fourth Proportional to 865,267.40, 1,297,901.10 and 366,566.60

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Solution

The fourth proportional to 865,267.40, 1,297,901.10 and 366,566.60 is: 549,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,267.40 : 1,297,901.10 = 366,566.60 : x
  2. Step 2: Convert to fraction form
    865,267.40/1,297,901.10 = 366,566.60/x
  3. Step 3: Cross multiply
    865,267.40x = 1,297,901.10 × 366,566.60
  4. Step 4: Simplify right side
    865,267.40x = 475,767,193,363.26
  5. Step 5: Solve for x
    x = 475,767,193,363.26/865,267.40
  6. Step 6: Final answer
    x = 549,849.90

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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.