Home / 689,199.22-950,955.55-402,663.95

Finding the Fourth Proportional to 689,199.22, 950,955.55 and 402,663.95

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Solution

The fourth proportional to 689,199.22, 950,955.55 and 402,663.95 is: 555,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,199.22 : 950,955.55 = 402,663.95 : x
  2. Step 2: Convert to fraction form
    689,199.22/950,955.55 = 402,663.95/x
  3. Step 3: Cross multiply
    689,199.22x = 950,955.55 × 402,663.95
  4. Step 4: Simplify right side
    689,199.22x = 382,915,518,037.42
  5. Step 5: Solve for x
    x = 382,915,518,037.42/689,199.22
  6. Step 6: Final answer
    x = 555,594.82

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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.