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Finding the Fourth Proportional to 1,062.69, 1,594.10 and 507.66

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Solution

The fourth proportional to 1,062.69, 1,594.10 and 507.66 is: 761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.69 : 1,594.10 = 507.66 : x
  2. Step 2: Convert to fraction form
    1,062.69/1,594.10 = 507.66/x
  3. Step 3: Cross multiply
    1,062.69x = 1,594.10 × 507.66
  4. Step 4: Simplify right side
    1,062.69x = 809,260.81
  5. Step 5: Solve for x
    x = 809,260.81/1,062.69
  6. Step 6: Final answer
    x = 761.52

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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.