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Finding the Fourth Proportional to 536,751.72, 740,702.34 and 295,034.76

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Solution

The fourth proportional to 536,751.72, 740,702.34 and 295,034.76 is: 407,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,751.72 : 740,702.34 = 295,034.76 : x
  2. Step 2: Convert to fraction form
    536,751.72/740,702.34 = 295,034.76/x
  3. Step 3: Cross multiply
    536,751.72x = 740,702.34 × 295,034.76
  4. Step 4: Simplify right side
    536,751.72x = 218,532,937,113.34
  5. Step 5: Solve for x
    x = 218,532,937,113.34/536,751.72
  6. Step 6: Final answer
    x = 407,139.71

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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.