Home / 816,156.60-1,224,234.90-496,822.20

Finding the Fourth Proportional to 816,156.60, 1,224,234.90 and 496,822.20

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Solution

The fourth proportional to 816,156.60, 1,224,234.90 and 496,822.20 is: 745,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,156.60 : 1,224,234.90 = 496,822.20 : x
  2. Step 2: Convert to fraction form
    816,156.60/1,224,234.90 = 496,822.20/x
  3. Step 3: Cross multiply
    816,156.60x = 1,224,234.90 × 496,822.20
  4. Step 4: Simplify right side
    816,156.60x = 608,227,076,334.78
  5. Step 5: Solve for x
    x = 608,227,076,334.78/816,156.60
  6. Step 6: Final answer
    x = 745,233.30

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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.