Home / 871,656.48-1,306,275.12-397,182.24

Finding the Fourth Proportional to 871,656.48, 1,306,275.12 and 397,182.24

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Solution

The fourth proportional to 871,656.48, 1,306,275.12 and 397,182.24 is: 595,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,656.48 : 1,306,275.12 = 397,182.24 : x
  2. Step 2: Convert to fraction form
    871,656.48/1,306,275.12 = 397,182.24/x
  3. Step 3: Cross multiply
    871,656.48x = 1,306,275.12 × 397,182.24
  4. Step 4: Simplify right side
    871,656.48x = 518,829,278,217.87
  5. Step 5: Solve for x
    x = 518,829,278,217.87/871,656.48
  6. Step 6: Final answer
    x = 595,222.19

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1.5x scale

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.