Home / 831,989.12-1,248,192-477,403.52

Finding the Fourth Proportional to 831,989.12, 1,248,192 and 477,403.52

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Solution

The fourth proportional to 831,989.12, 1,248,192 and 477,403.52 is: 716,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,989.12 : 1,248,192 = 477,403.52 : x
  2. Step 2: Convert to fraction form
    831,989.12/1,248,192 = 477,403.52/x
  3. Step 3: Cross multiply
    831,989.12x = 1,248,192 × 477,403.52
  4. Step 4: Simplify right side
    831,989.12x = 595,891,254,435.84
  5. Step 5: Solve for x
    x = 595,891,254,435.84/831,989.12
  6. Step 6: Final answer
    x = 716,224.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.