Home / 681,423.12-940,417.02-375,554.34

Finding the Fourth Proportional to 681,423.12, 940,417.02 and 375,554.34

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Solution

The fourth proportional to 681,423.12, 940,417.02 and 375,554.34 is: 518,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,423.12 : 940,417.02 = 375,554.34 : x
  2. Step 2: Convert to fraction form
    681,423.12/940,417.02 = 375,554.34/x
  3. Step 3: Cross multiply
    681,423.12x = 940,417.02 × 375,554.34
  4. Step 4: Simplify right side
    681,423.12x = 353,177,693,270.87
  5. Step 5: Solve for x
    x = 353,177,693,270.87/681,423.12
  6. Step 6: Final answer
    x = 518,294.26

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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.