Home / 971,161.47-1,457,640.63-491,726.25

Finding the Fourth Proportional to 971,161.47, 1,457,640.63 and 491,726.25

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Solution

The fourth proportional to 971,161.47, 1,457,640.63 and 491,726.25 is: 738,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,161.47 : 1,457,640.63 = 491,726.25 : x
  2. Step 2: Convert to fraction form
    971,161.47/1,457,640.63 = 491,726.25/x
  3. Step 3: Cross multiply
    971,161.47x = 1,457,640.63 × 491,726.25
  4. Step 4: Simplify right side
    971,161.47x = 716,760,160,837.54
  5. Step 5: Solve for x
    x = 716,760,160,837.54/971,161.47
  6. Step 6: Final answer
    x = 738,044.27

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Double scale
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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.