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Finding the Fourth Proportional to 543,689.74, 750,271.08 and 301,987.82

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Solution

The fourth proportional to 543,689.74, 750,271.08 and 301,987.82 is: 416,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,689.74 : 750,271.08 = 301,987.82 : x
  2. Step 2: Convert to fraction form
    543,689.74/750,271.08 = 301,987.82/x
  3. Step 3: Cross multiply
    543,689.74x = 750,271.08 × 301,987.82
  4. Step 4: Simplify right side
    543,689.74x = 226,572,725,239.35
  5. Step 5: Solve for x
    x = 226,572,725,239.35/543,689.74
  6. Step 6: Final answer
    x = 416,731.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.