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Finding the Fourth Proportional to 587,670.30, 881,505.45 and 552,240.90

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Solution

The fourth proportional to 587,670.30, 881,505.45 and 552,240.90 is: 828,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,670.30 : 881,505.45 = 552,240.90 : x
  2. Step 2: Convert to fraction form
    587,670.30/881,505.45 = 552,240.90/x
  3. Step 3: Cross multiply
    587,670.30x = 881,505.45 × 552,240.90
  4. Step 4: Simplify right side
    587,670.30x = 486,803,363,062.91
  5. Step 5: Solve for x
    x = 486,803,363,062.91/587,670.30
  6. Step 6: Final answer
    x = 828,361.35

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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.