Home / 646,393.20-968,916.24-361,666.30

Finding the Fourth Proportional to 646,393.20, 968,916.24 and 361,666.30

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Solution

The fourth proportional to 646,393.20, 968,916.24 and 361,666.30 is: 542,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,393.20 : 968,916.24 = 361,666.30 : x
  2. Step 2: Convert to fraction form
    646,393.20/968,916.24 = 361,666.30/x
  3. Step 3: Cross multiply
    646,393.20x = 968,916.24 × 361,666.30
  4. Step 4: Simplify right side
    646,393.20x = 350,424,349,907.95
  5. Step 5: Solve for x
    x = 350,424,349,907.95/646,393.20
  6. Step 6: Final answer
    x = 542,122.58

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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.