Home / 689,950.51-1,035,061.20-240,686.03

Finding the Fourth Proportional to 689,950.51, 1,035,061.20 and 240,686.03

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Solution

The fourth proportional to 689,950.51, 1,035,061.20 and 240,686.03 is: 361,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,950.51 : 1,035,061.20 = 240,686.03 : x
  2. Step 2: Convert to fraction form
    689,950.51/1,035,061.20 = 240,686.03/x
  3. Step 3: Cross multiply
    689,950.51x = 1,035,061.20 × 240,686.03
  4. Step 4: Simplify right side
    689,950.51x = 249,124,773,622.69
  5. Step 5: Solve for x
    x = 249,124,773,622.69/689,950.51
  6. Step 6: Final answer
    x = 361,076.30

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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.