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Finding the Fourth Proportional to 625,611.06, 938,547.81 and 270,675.54

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Solution

The fourth proportional to 625,611.06, 938,547.81 and 270,675.54 is: 406,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,611.06 : 938,547.81 = 270,675.54 : x
  2. Step 2: Convert to fraction form
    625,611.06/938,547.81 = 270,675.54/x
  3. Step 3: Cross multiply
    625,611.06x = 938,547.81 × 270,675.54
  4. Step 4: Simplify right side
    625,611.06x = 254,041,935,287.57
  5. Step 5: Solve for x
    x = 254,041,935,287.57/625,611.06
  6. Step 6: Final answer
    x = 406,070.08

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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.