Home / 985,593.47-1,478,572.55-311,844.38

Finding the Fourth Proportional to 985,593.47, 1,478,572.55 and 311,844.38

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Solution

The fourth proportional to 985,593.47, 1,478,572.55 and 311,844.38 is: 467,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,593.47 : 1,478,572.55 = 311,844.38 : x
  2. Step 2: Convert to fraction form
    985,593.47/1,478,572.55 = 311,844.38/x
  3. Step 3: Cross multiply
    985,593.47x = 1,478,572.55 × 311,844.38
  4. Step 4: Simplify right side
    985,593.47x = 461,084,537,222.95
  5. Step 5: Solve for x
    x = 461,084,537,222.95/985,593.47
  6. Step 6: Final answer
    x = 467,824.26

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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.