Home / 675,256.02-932,037.57-420,456.66

Finding the Fourth Proportional to 675,256.02, 932,037.57 and 420,456.66

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Solution

The fourth proportional to 675,256.02, 932,037.57 and 420,456.66 is: 580,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,256.02 : 932,037.57 = 420,456.66 : x
  2. Step 2: Convert to fraction form
    675,256.02/932,037.57 = 420,456.66/x
  3. Step 3: Cross multiply
    675,256.02x = 932,037.57 × 420,456.66
  4. Step 4: Simplify right side
    675,256.02x = 391,881,403,676.72
  5. Step 5: Solve for x
    x = 391,881,403,676.72/675,256.02
  6. Step 6: Final answer
    x = 580,344.92

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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.