Home / 831,023.73-1,146,812.70-449,050.50

Finding the Fourth Proportional to 831,023.73, 1,146,812.70 and 449,050.50

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Solution

The fourth proportional to 831,023.73, 1,146,812.70 and 449,050.50 is: 619,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,023.73 : 1,146,812.70 = 449,050.50 : x
  2. Step 2: Convert to fraction form
    831,023.73/1,146,812.70 = 449,050.50/x
  3. Step 3: Cross multiply
    831,023.73x = 1,146,812.70 × 449,050.50
  4. Step 4: Simplify right side
    831,023.73x = 514,976,816,341.35
  5. Step 5: Solve for x
    x = 514,976,816,341.35/831,023.73
  6. Step 6: Final answer
    x = 619,689.66

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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.