Home / 996,719.80-1,374,995.10-724,365.40

Finding the Fourth Proportional to 996,719.80, 1,374,995.10 and 724,365.40

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Solution

The fourth proportional to 996,719.80, 1,374,995.10 and 724,365.40 is: 999,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,719.80 : 1,374,995.10 = 724,365.40 : x
  2. Step 2: Convert to fraction form
    996,719.80/1,374,995.10 = 724,365.40/x
  3. Step 3: Cross multiply
    996,719.80x = 1,374,995.10 × 724,365.40
  4. Step 4: Simplify right side
    996,719.80x = 995,998,875,609.54
  5. Step 5: Solve for x
    x = 995,998,875,609.54/996,719.80
  6. Step 6: Final answer
    x = 999,276.70

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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.