Home / 770,902.92-1,063,771.20-448,655.76

Finding the Fourth Proportional to 770,902.92, 1,063,771.20 and 448,655.76

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Solution

The fourth proportional to 770,902.92, 1,063,771.20 and 448,655.76 is: 619,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,902.92 : 1,063,771.20 = 448,655.76 : x
  2. Step 2: Convert to fraction form
    770,902.92/1,063,771.20 = 448,655.76/x
  3. Step 3: Cross multiply
    770,902.92x = 1,063,771.20 × 448,655.76
  4. Step 4: Simplify right side
    770,902.92x = 477,267,076,202.11
  5. Step 5: Solve for x
    x = 477,267,076,202.11/770,902.92
  6. Step 6: Final answer
    x = 619,101.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.