Home / 970,576.29-1,339,013.43-648,496.80

Finding the Fourth Proportional to 970,576.29, 1,339,013.43 and 648,496.80

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Solution

The fourth proportional to 970,576.29, 1,339,013.43 and 648,496.80 is: 894,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,576.29 : 1,339,013.43 = 648,496.80 : x
  2. Step 2: Convert to fraction form
    970,576.29/1,339,013.43 = 648,496.80/x
  3. Step 3: Cross multiply
    970,576.29x = 1,339,013.43 × 648,496.80
  4. Step 4: Simplify right side
    970,576.29x = 868,345,924,512.02
  5. Step 5: Solve for x
    x = 868,345,924,512.02/970,576.29
  6. Step 6: Final answer
    x = 894,670.45

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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.