Home / 785,641.82-1,178,275.86-217,010.34

Finding the Fourth Proportional to 785,641.82, 1,178,275.86 and 217,010.34

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Solution

The fourth proportional to 785,641.82, 1,178,275.86 and 217,010.34 is: 325,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,641.82 : 1,178,275.86 = 217,010.34 : x
  2. Step 2: Convert to fraction form
    785,641.82/1,178,275.86 = 217,010.34/x
  3. Step 3: Cross multiply
    785,641.82x = 1,178,275.86 × 217,010.34
  4. Step 4: Simplify right side
    785,641.82x = 255,698,044,992.39
  5. Step 5: Solve for x
    x = 255,698,044,992.39/785,641.82
  6. Step 6: Final answer
    x = 325,463.89

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Double scale
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Similar ratio
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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.