Home / 448,000.90-672,001.35-298,701.70

Finding the Fourth Proportional to 448,000.90, 672,001.35 and 298,701.70

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Solution

The fourth proportional to 448,000.90, 672,001.35 and 298,701.70 is: 448,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,000.90 : 672,001.35 = 298,701.70 : x
  2. Step 2: Convert to fraction form
    448,000.90/672,001.35 = 298,701.70/x
  3. Step 3: Cross multiply
    448,000.90x = 672,001.35 × 298,701.70
  4. Step 4: Simplify right side
    448,000.90x = 200,727,945,647.30
  5. Step 5: Solve for x
    x = 200,727,945,647.30/448,000.90
  6. Step 6: Final answer
    x = 448,052.55

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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.