Home / 689,368.15-1,034,080.03-240,134.45

Finding the Fourth Proportional to 689,368.15, 1,034,080.03 and 240,134.45

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Solution

The fourth proportional to 689,368.15, 1,034,080.03 and 240,134.45 is: 360,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,368.15 : 1,034,080.03 = 240,134.45 : x
  2. Step 2: Convert to fraction form
    689,368.15/1,034,080.03 = 240,134.45/x
  3. Step 3: Cross multiply
    689,368.15x = 1,034,080.03 × 240,134.45
  4. Step 4: Simplify right side
    689,368.15x = 248,318,239,260.03
  5. Step 5: Solve for x
    x = 248,318,239,260.03/689,368.15
  6. Step 6: Final answer
    x = 360,211.36

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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.