Home / 707,622.75-1,061,434.13-209,025.63

Finding the Fourth Proportional to 707,622.75, 1,061,434.13 and 209,025.63

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Solution

The fourth proportional to 707,622.75, 1,061,434.13 and 209,025.63 is: 313,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,622.75 : 1,061,434.13 = 209,025.63 : x
  2. Step 2: Convert to fraction form
    707,622.75/1,061,434.13 = 209,025.63/x
  3. Step 3: Cross multiply
    707,622.75x = 1,061,434.13 × 209,025.63
  4. Step 4: Simplify right side
    707,622.75x = 221,866,936,681.62
  5. Step 5: Solve for x
    x = 221,866,936,681.62/707,622.75
  6. Step 6: Final answer
    x = 313,538.45

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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.