Home / 516,654.40-774,841.04-326,829.82

Finding the Fourth Proportional to 516,654.40, 774,841.04 and 326,829.82

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Solution

The fourth proportional to 516,654.40, 774,841.04 and 326,829.82 is: 490,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,654.40 : 774,841.04 = 326,829.82 : x
  2. Step 2: Convert to fraction form
    516,654.40/774,841.04 = 326,829.82/x
  3. Step 3: Cross multiply
    516,654.40x = 774,841.04 × 326,829.82
  4. Step 4: Simplify right side
    516,654.40x = 253,241,157,631.81
  5. Step 5: Solve for x
    x = 253,241,157,631.81/516,654.40
  6. Step 6: Final answer
    x = 490,155.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.