Home / 785,138.31-1,177,707.47-252,701.01

Finding the Fourth Proportional to 785,138.31, 1,177,707.47 and 252,701.01

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Solution

The fourth proportional to 785,138.31, 1,177,707.47 and 252,701.01 is: 379,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,138.31 : 1,177,707.47 = 252,701.01 : x
  2. Step 2: Convert to fraction form
    785,138.31/1,177,707.47 = 252,701.01/x
  3. Step 3: Cross multiply
    785,138.31x = 1,177,707.47 × 252,701.01
  4. Step 4: Simplify right side
    785,138.31x = 297,607,865,890.04
  5. Step 5: Solve for x
    x = 297,607,865,890.04/785,138.31
  6. Step 6: Final answer
    x = 379,051.52

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Double scale
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Similar ratio
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1.5x scale

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.