Home / 761,506.29-1,050,876.48-421,974.54

Finding the Fourth Proportional to 761,506.29, 1,050,876.48 and 421,974.54

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Solution

The fourth proportional to 761,506.29, 1,050,876.48 and 421,974.54 is: 582,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,506.29 : 1,050,876.48 = 421,974.54 : x
  2. Step 2: Convert to fraction form
    761,506.29/1,050,876.48 = 421,974.54/x
  3. Step 3: Cross multiply
    761,506.29x = 1,050,876.48 × 421,974.54
  4. Step 4: Simplify right side
    761,506.29x = 443,443,119,244.82
  5. Step 5: Solve for x
    x = 443,443,119,244.82/761,506.29
  6. Step 6: Final answer
    x = 582,323.65

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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.