Home / 831,901.22-1,148,024.45-449,928.00

Finding the Fourth Proportional to 831,901.22, 1,148,024.45 and 449,928.00

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Solution

The fourth proportional to 831,901.22, 1,148,024.45 and 449,928.00 is: 620,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,901.22 : 1,148,024.45 = 449,928.00 : x
  2. Step 2: Convert to fraction form
    831,901.22/1,148,024.45 = 449,928.00/x
  3. Step 3: Cross multiply
    831,901.22x = 1,148,024.45 × 449,928.00
  4. Step 4: Simplify right side
    831,901.22x = 516,528,350,169.51
  5. Step 5: Solve for x
    x = 516,528,350,169.51/831,901.22
  6. Step 6: Final answer
    x = 620,901.06

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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.