Home / 689,448.34-1,034,177.09-240,177.70

Finding the Fourth Proportional to 689,448.34, 1,034,177.09 and 240,177.70

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Solution

The fourth proportional to 689,448.34, 1,034,177.09 and 240,177.70 is: 360,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,448.34 : 1,034,177.09 = 240,177.70 : x
  2. Step 2: Convert to fraction form
    689,448.34/1,034,177.09 = 240,177.70/x
  3. Step 3: Cross multiply
    689,448.34x = 1,034,177.09 × 240,177.70
  4. Step 4: Simplify right side
    689,448.34x = 248,386,271,082.56
  5. Step 5: Solve for x
    x = 248,386,271,082.56/689,448.34
  6. Step 6: Final answer
    x = 360,268.14

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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.