Home / 871,475.68-1,202,637.14-489,502.77

Finding the Fourth Proportional to 871,475.68, 1,202,637.14 and 489,502.77

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Solution

The fourth proportional to 871,475.68, 1,202,637.14 and 489,502.77 is: 675,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,475.68 : 1,202,637.14 = 489,502.77 : x
  2. Step 2: Convert to fraction form
    871,475.68/1,202,637.14 = 489,502.77/x
  3. Step 3: Cross multiply
    871,475.68x = 1,202,637.14 × 489,502.77
  4. Step 4: Simplify right side
    871,475.68x = 588,694,211,334.88
  5. Step 5: Solve for x
    x = 588,694,211,334.88/871,475.68
  6. Step 6: Final answer
    x = 675,514.22

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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.