Home / 996,722.55-1,374,998.90-724,368.15

Finding the Fourth Proportional to 996,722.55, 1,374,998.90 and 724,368.15

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Solution

The fourth proportional to 996,722.55, 1,374,998.90 and 724,368.15 is: 999,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,722.55 : 1,374,998.90 = 724,368.15 : x
  2. Step 2: Convert to fraction form
    996,722.55/1,374,998.90 = 724,368.15/x
  3. Step 3: Cross multiply
    996,722.55x = 1,374,998.90 × 724,368.15
  4. Step 4: Simplify right side
    996,722.55x = 996,005,405,823.19
  5. Step 5: Solve for x
    x = 996,005,405,823.19/996,722.55
  6. Step 6: Final answer
    x = 999,280.50

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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.