Home / 984,892.32-1,359,172.20-555,172.34

Finding the Fourth Proportional to 984,892.32, 1,359,172.20 and 555,172.34

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Solution

The fourth proportional to 984,892.32, 1,359,172.20 and 555,172.34 is: 766,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,892.32 : 1,359,172.20 = 555,172.34 : x
  2. Step 2: Convert to fraction form
    984,892.32/1,359,172.20 = 555,172.34/x
  3. Step 3: Cross multiply
    984,892.32x = 1,359,172.20 × 555,172.34
  4. Step 4: Simplify right side
    984,892.32x = 754,574,803,941.09
  5. Step 5: Solve for x
    x = 754,574,803,941.09/984,892.32
  6. Step 6: Final answer
    x = 766,149.55

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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.