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Finding the Fourth Proportional to 587,341.40, 881,012.10 and 306,822.20

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Solution

The fourth proportional to 587,341.40, 881,012.10 and 306,822.20 is: 460,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,341.40 : 881,012.10 = 306,822.20 : x
  2. Step 2: Convert to fraction form
    587,341.40/881,012.10 = 306,822.20/x
  3. Step 3: Cross multiply
    587,341.40x = 881,012.10 × 306,822.20
  4. Step 4: Simplify right side
    587,341.40x = 270,314,070,748.62
  5. Step 5: Solve for x
    x = 270,314,070,748.62/587,341.40
  6. Step 6: Final answer
    x = 460,233.30

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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.