Home / 986,098.80-1,479,364.20-387,058.80

Finding the Fourth Proportional to 986,098.80, 1,479,364.20 and 387,058.80

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Solution

The fourth proportional to 986,098.80, 1,479,364.20 and 387,058.80 is: 580,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,098.80 : 1,479,364.20 = 387,058.80 : x
  2. Step 2: Convert to fraction form
    986,098.80/1,479,364.20 = 387,058.80/x
  3. Step 3: Cross multiply
    986,098.80x = 1,479,364.20 × 387,058.80
  4. Step 4: Simplify right side
    986,098.80x = 572,600,932,014.96
  5. Step 5: Solve for x
    x = 572,600,932,014.96/986,098.80
  6. Step 6: Final answer
    x = 580,672.98

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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.