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Finding the Fourth Proportional to 1,046.65, 1,569.52 and 526.45

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Solution

The fourth proportional to 1,046.65, 1,569.52 and 526.45 is: 789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.65 : 1,569.52 = 526.45 : x
  2. Step 2: Convert to fraction form
    1,046.65/1,569.52 = 526.45/x
  3. Step 3: Cross multiply
    1,046.65x = 1,569.52 × 526.45
  4. Step 4: Simplify right side
    1,046.65x = 826,271.17
  5. Step 5: Solve for x
    x = 826,271.17/1,046.65
  6. Step 6: Final answer
    x = 789.44

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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.