Home / 985,989.92-1,479,148.47-346,127.79

Finding the Fourth Proportional to 985,989.92, 1,479,148.47 and 346,127.79

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Solution

The fourth proportional to 985,989.92, 1,479,148.47 and 346,127.79 is: 519,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,989.92 : 1,479,148.47 = 346,127.79 : x
  2. Step 2: Convert to fraction form
    985,989.92/1,479,148.47 = 346,127.79/x
  3. Step 3: Cross multiply
    985,989.92x = 1,479,148.47 × 346,127.79
  4. Step 4: Simplify right side
    985,989.92x = 511,974,381,876.60
  5. Step 5: Solve for x
    x = 511,974,381,876.60/985,989.92
  6. Step 6: Final answer
    x = 519,249.10

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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.