Home / 840,781.07-1,160,302.38-458,832.45

Finding the Fourth Proportional to 840,781.07, 1,160,302.38 and 458,832.45

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Solution

The fourth proportional to 840,781.07, 1,160,302.38 and 458,832.45 is: 633,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,781.07 : 1,160,302.38 = 458,832.45 : x
  2. Step 2: Convert to fraction form
    840,781.07/1,160,302.38 = 458,832.45/x
  3. Step 3: Cross multiply
    840,781.07x = 1,160,302.38 × 458,832.45
  4. Step 4: Simplify right side
    840,781.07x = 532,384,383,756.23
  5. Step 5: Solve for x
    x = 532,384,383,756.23/840,781.07
  6. Step 6: Final answer
    x = 633,202.15

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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.