Home / 1,140.89-1,710.75-524.07

Finding the Fourth Proportional to 1,140.89, 1,710.75 and 524.07

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Solution

The fourth proportional to 1,140.89, 1,710.75 and 524.07 is: 785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140.89 : 1,710.75 = 524.07 : x
  2. Step 2: Convert to fraction form
    1,140.89/1,710.75 = 524.07/x
  3. Step 3: Cross multiply
    1,140.89x = 1,710.75 × 524.07
  4. Step 4: Simplify right side
    1,140.89x = 896,552.75
  5. Step 5: Solve for x
    x = 896,552.75/1,140.89
  6. Step 6: Final answer
    x = 785.84

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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.