Home / 634,436.45-875,577.65-348,011.88

Finding the Fourth Proportional to 634,436.45, 875,577.65 and 348,011.88

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Solution

The fourth proportional to 634,436.45, 875,577.65 and 348,011.88 is: 480,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,436.45 : 875,577.65 = 348,011.88 : x
  2. Step 2: Convert to fraction form
    634,436.45/875,577.65 = 348,011.88/x
  3. Step 3: Cross multiply
    634,436.45x = 875,577.65 × 348,011.88
  4. Step 4: Simplify right side
    634,436.45x = 304,711,424,062.48
  5. Step 5: Solve for x
    x = 304,711,424,062.48/634,436.45
  6. Step 6: Final answer
    x = 480,286.76

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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.