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Finding the Fourth Proportional to 503,106.61, 754,659.91 and 344,855.29

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Solution

The fourth proportional to 503,106.61, 754,659.91 and 344,855.29 is: 517,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,106.61 : 754,659.91 = 344,855.29 : x
  2. Step 2: Convert to fraction form
    503,106.61/754,659.91 = 344,855.29/x
  3. Step 3: Cross multiply
    503,106.61x = 754,659.91 × 344,855.29
  4. Step 4: Simplify right side
    503,106.61x = 260,248,462,114.42
  5. Step 5: Solve for x
    x = 260,248,462,114.42/503,106.61
  6. Step 6: Final answer
    x = 517,282.93

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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.