Home / 831,254.74-1,246,934.79-351,393.11

Finding the Fourth Proportional to 831,254.74, 1,246,934.79 and 351,393.11

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Solution

The fourth proportional to 831,254.74, 1,246,934.79 and 351,393.11 is: 527,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,254.74 : 1,246,934.79 = 351,393.11 : x
  2. Step 2: Convert to fraction form
    831,254.74/1,246,934.79 = 351,393.11/x
  3. Step 3: Cross multiply
    831,254.74x = 1,246,934.79 × 351,393.11
  4. Step 4: Simplify right side
    831,254.74x = 438,164,293,825.30
  5. Step 5: Solve for x
    x = 438,164,293,825.30/831,254.74
  6. Step 6: Final answer
    x = 527,111.93

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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.