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Finding the Fourth Proportional to 675,756.34, 932,587.04 and 389,271.49

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Solution

The fourth proportional to 675,756.34, 932,587.04 and 389,271.49 is: 537,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,756.34 : 932,587.04 = 389,271.49 : x
  2. Step 2: Convert to fraction form
    675,756.34/932,587.04 = 389,271.49/x
  3. Step 3: Cross multiply
    675,756.34x = 932,587.04 × 389,271.49
  4. Step 4: Simplify right side
    675,756.34x = 363,029,545,257.20
  5. Step 5: Solve for x
    x = 363,029,545,257.20/675,756.34
  6. Step 6: Final answer
    x = 537,219.59

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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.