Home / 716,541.48-988,851.06-394,275.24

Finding the Fourth Proportional to 716,541.48, 988,851.06 and 394,275.24

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Solution

The fourth proportional to 716,541.48, 988,851.06 and 394,275.24 is: 544,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,541.48 : 988,851.06 = 394,275.24 : x
  2. Step 2: Convert to fraction form
    716,541.48/988,851.06 = 394,275.24/x
  3. Step 3: Cross multiply
    716,541.48x = 988,851.06 × 394,275.24
  4. Step 4: Simplify right side
    716,541.48x = 389,879,489,005.75
  5. Step 5: Solve for x
    x = 389,879,489,005.75/716,541.48
  6. Step 6: Final answer
    x = 544,112.94

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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.