Home / 689,905.24-1,035,030.10-240,632.56

Finding the Fourth Proportional to 689,905.24, 1,035,030.10 and 240,632.56

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Solution

The fourth proportional to 689,905.24, 1,035,030.10 and 240,632.56 is: 361,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,905.24 : 1,035,030.10 = 240,632.56 : x
  2. Step 2: Convert to fraction form
    689,905.24/1,035,030.10 = 240,632.56/x
  3. Step 3: Cross multiply
    689,905.24x = 1,035,030.10 × 240,632.56
  4. Step 4: Simplify right side
    689,905.24x = 249,061,942,640.06
  5. Step 5: Solve for x
    x = 249,061,942,640.06/689,905.24
  6. Step 6: Final answer
    x = 361,008.92

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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.