Home / 990,092.10-1,484,792.55-516,620.10

Finding the Fourth Proportional to 990,092.10, 1,484,792.55 and 516,620.10

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Solution

The fourth proportional to 990,092.10, 1,484,792.55 and 516,620.10 is: 774,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,092.10 : 1,484,792.55 = 516,620.10 : x
  2. Step 2: Convert to fraction form
    990,092.10/1,484,792.55 = 516,620.10/x
  3. Step 3: Cross multiply
    990,092.10x = 1,484,792.55 × 516,620.10
  4. Step 4: Simplify right side
    990,092.10x = 767,073,675,660.26
  5. Step 5: Solve for x
    x = 767,073,675,660.26/990,092.10
  6. Step 6: Final answer
    x = 774,749.82

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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.