Home / 689,636.48-1,034,121.54-240,346.76

Finding the Fourth Proportional to 689,636.48, 1,034,121.54 and 240,346.76

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Solution

The fourth proportional to 689,636.48, 1,034,121.54 and 240,346.76 is: 360,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,636.48 : 1,034,121.54 = 240,346.76 : x
  2. Step 2: Convert to fraction form
    689,636.48/1,034,121.54 = 240,346.76/x
  3. Step 3: Cross multiply
    689,636.48x = 1,034,121.54 × 240,346.76
  4. Step 4: Simplify right side
    689,636.48x = 248,547,761,585.21
  5. Step 5: Solve for x
    x = 248,547,761,585.21/689,636.48
  6. Step 6: Final answer
    x = 360,404.02

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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.