Home / 520,146.02-780,233.61-254,119.34

Finding the Fourth Proportional to 520,146.02, 780,233.61 and 254,119.34

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Solution

The fourth proportional to 520,146.02, 780,233.61 and 254,119.34 is: 381,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,146.02 : 780,233.61 = 254,119.34 : x
  2. Step 2: Convert to fraction form
    520,146.02/780,233.61 = 254,119.34/x
  3. Step 3: Cross multiply
    520,146.02x = 780,233.61 × 254,119.34
  4. Step 4: Simplify right side
    520,146.02x = 198,272,450,019.02
  5. Step 5: Solve for x
    x = 198,272,450,019.02/520,146.02
  6. Step 6: Final answer
    x = 381,186.13

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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.