Home / 679,188.28-937,234.42-373,258.08

Finding the Fourth Proportional to 679,188.28, 937,234.42 and 373,258.08

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Solution

The fourth proportional to 679,188.28, 937,234.42 and 373,258.08 is: 515,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,188.28 : 937,234.42 = 373,258.08 : x
  2. Step 2: Convert to fraction form
    679,188.28/937,234.42 = 373,258.08/x
  3. Step 3: Cross multiply
    679,188.28x = 937,234.42 × 373,258.08
  4. Step 4: Simplify right side
    679,188.28x = 349,830,320,119.11
  5. Step 5: Solve for x
    x = 349,830,320,119.11/679,188.28
  6. Step 6: Final answer
    x = 515,071.20

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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.