Home / 753,625.62-1,130,438.43-353,973.24

Finding the Fourth Proportional to 753,625.62, 1,130,438.43 and 353,973.24

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Solution

The fourth proportional to 753,625.62, 1,130,438.43 and 353,973.24 is: 530,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,625.62 : 1,130,438.43 = 353,973.24 : x
  2. Step 2: Convert to fraction form
    753,625.62/1,130,438.43 = 353,973.24/x
  3. Step 3: Cross multiply
    753,625.62x = 1,130,438.43 × 353,973.24
  4. Step 4: Simplify right side
    753,625.62x = 400,144,953,687.61
  5. Step 5: Solve for x
    x = 400,144,953,687.61/753,625.62
  6. Step 6: Final answer
    x = 530,959.86

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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.