Home / 768,002.20-1,152,003.30-662,939.80

Finding the Fourth Proportional to 768,002.20, 1,152,003.30 and 662,939.80

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Solution

The fourth proportional to 768,002.20, 1,152,003.30 and 662,939.80 is: 994,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,002.20 : 1,152,003.30 = 662,939.80 : x
  2. Step 2: Convert to fraction form
    768,002.20/1,152,003.30 = 662,939.80/x
  3. Step 3: Cross multiply
    768,002.20x = 1,152,003.30 × 662,939.80
  4. Step 4: Simplify right side
    768,002.20x = 763,708,837,301.34
  5. Step 5: Solve for x
    x = 763,708,837,301.34/768,002.20
  6. Step 6: Final answer
    x = 994,409.70

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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.