Home / 679,856.32-938,207.91-369,761.59

Finding the Fourth Proportional to 679,856.32, 938,207.91 and 369,761.59

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Solution

The fourth proportional to 679,856.32, 938,207.91 and 369,761.59 is: 510,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,856.32 : 938,207.91 = 369,761.59 : x
  2. Step 2: Convert to fraction form
    679,856.32/938,207.91 = 369,761.59/x
  3. Step 3: Cross multiply
    679,856.32x = 938,207.91 × 369,761.59
  4. Step 4: Simplify right side
    679,856.32x = 346,913,248,552.18
  5. Step 5: Solve for x
    x = 346,913,248,552.18/679,856.32
  6. Step 6: Final answer
    x = 510,274.36

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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.