Home / 831,572.15-1,147,567.04-449,598.92

Finding the Fourth Proportional to 831,572.15, 1,147,567.04 and 449,598.92

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Solution

The fourth proportional to 831,572.15, 1,147,567.04 and 449,598.92 is: 620,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,572.15 : 1,147,567.04 = 449,598.92 : x
  2. Step 2: Convert to fraction form
    831,572.15/1,147,567.04 = 449,598.92/x
  3. Step 3: Cross multiply
    831,572.15x = 1,147,567.04 × 449,598.92
  4. Step 4: Simplify right side
    831,572.15x = 515,944,893,825.77
  5. Step 5: Solve for x
    x = 515,944,893,825.77/831,572.15
  6. Step 6: Final answer
    x = 620,445.14

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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.