Home / 985,073.56-1,477,694.18-310,974.55

Finding the Fourth Proportional to 985,073.56, 1,477,694.18 and 310,974.55

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Solution

The fourth proportional to 985,073.56, 1,477,694.18 and 310,974.55 is: 466,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,073.56 : 1,477,694.18 = 310,974.55 : x
  2. Step 2: Convert to fraction form
    985,073.56/1,477,694.18 = 310,974.55/x
  3. Step 3: Cross multiply
    985,073.56x = 1,477,694.18 × 310,974.55
  4. Step 4: Simplify right side
    985,073.56x = 459,525,282,663.12
  5. Step 5: Solve for x
    x = 459,525,282,663.12/985,073.56
  6. Step 6: Final answer
    x = 466,488.29

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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.