Home / 912,938.96-1,369,995.96-492,505.04

Finding the Fourth Proportional to 912,938.96, 1,369,995.96 and 492,505.04

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Solution

The fourth proportional to 912,938.96, 1,369,995.96 and 492,505.04 is: 739,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,938.96 : 1,369,995.96 = 492,505.04 : x
  2. Step 2: Convert to fraction form
    912,938.96/1,369,995.96 = 492,505.04/x
  3. Step 3: Cross multiply
    912,938.96x = 1,369,995.96 × 492,505.04
  4. Step 4: Simplify right side
    912,938.96x = 674,729,915,079.64
  5. Step 5: Solve for x
    x = 674,729,915,079.64/912,938.96
  6. Step 6: Final answer
    x = 739,074.51

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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.