Home / 702,139.24-968,948.16-379,848.40

Finding the Fourth Proportional to 702,139.24, 968,948.16 and 379,848.40

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Solution

The fourth proportional to 702,139.24, 968,948.16 and 379,848.40 is: 524,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,139.24 : 968,948.16 = 379,848.40 : x
  2. Step 2: Convert to fraction form
    702,139.24/968,948.16 = 379,848.40/x
  3. Step 3: Cross multiply
    702,139.24x = 968,948.16 × 379,848.40
  4. Step 4: Simplify right side
    702,139.24x = 368,053,408,258.94
  5. Step 5: Solve for x
    x = 368,053,408,258.94/702,139.24
  6. Step 6: Final answer
    x = 524,188.63

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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.