Home / 762,119.47-1,051,772.07-422,587.72

Finding the Fourth Proportional to 762,119.47, 1,051,772.07 and 422,587.72

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Solution

The fourth proportional to 762,119.47, 1,051,772.07 and 422,587.72 is: 583,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,119.47 : 1,051,772.07 = 422,587.72 : x
  2. Step 2: Convert to fraction form
    762,119.47/1,051,772.07 = 422,587.72/x
  3. Step 3: Cross multiply
    762,119.47x = 1,051,772.07 × 422,587.72
  4. Step 4: Simplify right side
    762,119.47x = 444,465,961,020.98
  5. Step 5: Solve for x
    x = 444,465,961,020.98/762,119.47
  6. Step 6: Final answer
    x = 583,197.23

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Double scale
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1.5x scale

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.