Home / 984,942-1,359,240.74-555,222.12

Finding the Fourth Proportional to 984,942, 1,359,240.74 and 555,222.12

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Solution

The fourth proportional to 984,942, 1,359,240.74 and 555,222.12 is: 766,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,942 : 1,359,240.74 = 555,222.12 : x
  2. Step 2: Convert to fraction form
    984,942/1,359,240.74 = 555,222.12/x
  3. Step 3: Cross multiply
    984,942x = 1,359,240.74 × 555,222.12
  4. Step 4: Simplify right side
    984,942x = 754,680,522,477.06
  5. Step 5: Solve for x
    x = 754,680,522,477.06/984,942
  6. Step 6: Final answer
    x = 766,218.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.