Home / 916,693.72-1,265,011.66-503,230.43

Finding the Fourth Proportional to 916,693.72, 1,265,011.66 and 503,230.43

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Solution

The fourth proportional to 916,693.72, 1,265,011.66 and 503,230.43 is: 694,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,693.72 : 1,265,011.66 = 503,230.43 : x
  2. Step 2: Convert to fraction form
    916,693.72/1,265,011.66 = 503,230.43/x
  3. Step 3: Cross multiply
    916,693.72x = 1,265,011.66 × 503,230.43
  4. Step 4: Simplify right side
    916,693.72x = 636,592,361,616.81
  5. Step 5: Solve for x
    x = 636,592,361,616.81/916,693.72
  6. Step 6: Final answer
    x = 694,443.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.