Home / 799,612.94-1,198,681.30-399,905.89

Finding the Fourth Proportional to 799,612.94, 1,198,681.30 and 399,905.89

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Solution

The fourth proportional to 799,612.94, 1,198,681.30 and 399,905.89 is: 599,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,612.94 : 1,198,681.30 = 399,905.89 : x
  2. Step 2: Convert to fraction form
    799,612.94/1,198,681.30 = 399,905.89/x
  3. Step 3: Cross multiply
    799,612.94x = 1,198,681.30 × 399,905.89
  4. Step 4: Simplify right side
    799,612.94x = 479,359,712,102.86
  5. Step 5: Solve for x
    x = 479,359,712,102.86/799,612.94
  6. Step 6: Final answer
    x = 599,489.69

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Double scale
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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.