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Finding the Fourth Proportional to 503,612.12, 754,817.31 and 350,982.71

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Solution

The fourth proportional to 503,612.12, 754,817.31 and 350,982.71 is: 526,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,612.12 : 754,817.31 = 350,982.71 : x
  2. Step 2: Convert to fraction form
    503,612.12/754,817.31 = 350,982.71/x
  3. Step 3: Cross multiply
    503,612.12x = 754,817.31 × 350,982.71
  4. Step 4: Simplify right side
    503,612.12x = 264,927,825,018.71
  5. Step 5: Solve for x
    x = 264,927,825,018.71/503,612.12
  6. Step 6: Final answer
    x = 526,055.30

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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.