Home / 891,277.20-1,337,088.60-448,045.20

Finding the Fourth Proportional to 891,277.20, 1,337,088.60 and 448,045.20

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Solution

The fourth proportional to 891,277.20, 1,337,088.60 and 448,045.20 is: 672,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,277.20 : 1,337,088.60 = 448,045.20 : x
  2. Step 2: Convert to fraction form
    891,277.20/1,337,088.60 = 448,045.20/x
  3. Step 3: Cross multiply
    891,277.20x = 1,337,088.60 × 448,045.20
  4. Step 4: Simplify right side
    891,277.20x = 599,076,129,204.72
  5. Step 5: Solve for x
    x = 599,076,129,204.72/891,277.20
  6. Step 6: Final answer
    x = 672,154.67

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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.