Home / 831,976.74-1,148,127.05-450,002.61

Finding the Fourth Proportional to 831,976.74, 1,148,127.05 and 450,002.61

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Solution

The fourth proportional to 831,976.74, 1,148,127.05 and 450,002.61 is: 621,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,976.74 : 1,148,127.05 = 450,002.61 : x
  2. Step 2: Convert to fraction form
    831,976.74/1,148,127.05 = 450,002.61/x
  3. Step 3: Cross multiply
    831,976.74x = 1,148,127.05 × 450,002.61
  4. Step 4: Simplify right side
    831,976.74x = 516,660,166,861.59
  5. Step 5: Solve for x
    x = 516,660,166,861.59/831,976.74
  6. Step 6: Final answer
    x = 621,003.14

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1.5x scale

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.