Home / 831,471.20-1,147,402.32-525,712.16

Finding the Fourth Proportional to 831,471.20, 1,147,402.32 and 525,712.16

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Solution

The fourth proportional to 831,471.20, 1,147,402.32 and 525,712.16 is: 725,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,471.20 : 1,147,402.32 = 525,712.16 : x
  2. Step 2: Convert to fraction form
    831,471.20/1,147,402.32 = 525,712.16/x
  3. Step 3: Cross multiply
    831,471.20x = 1,147,402.32 × 525,712.16
  4. Step 4: Simplify right side
    831,471.20x = 603,203,352,036.21
  5. Step 5: Solve for x
    x = 603,203,352,036.21/831,471.20
  6. Step 6: Final answer
    x = 725,465.12

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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.