Home / 1,045.96-1,569.38-525.69

Finding the Fourth Proportional to 1,045.96, 1,569.38 and 525.69

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Solution

The fourth proportional to 1,045.96, 1,569.38 and 525.69 is: 788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.96 : 1,569.38 = 525.69 : x
  2. Step 2: Convert to fraction form
    1,045.96/1,569.38 = 525.69/x
  3. Step 3: Cross multiply
    1,045.96x = 1,569.38 × 525.69
  4. Step 4: Simplify right side
    1,045.96x = 824,999.53
  5. Step 5: Solve for x
    x = 824,999.53/1,045.96
  6. Step 6: Final answer
    x = 788.75

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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.