Home / 940,458.16-1,298,229.42-634,948.39

Finding the Fourth Proportional to 940,458.16, 1,298,229.42 and 634,948.39

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Solution

The fourth proportional to 940,458.16, 1,298,229.42 and 634,948.39 is: 876,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,458.16 : 1,298,229.42 = 634,948.39 : x
  2. Step 2: Convert to fraction form
    940,458.16/1,298,229.42 = 634,948.39/x
  3. Step 3: Cross multiply
    940,458.16x = 1,298,229.42 × 634,948.39
  4. Step 4: Simplify right side
    940,458.16x = 824,308,680,079.63
  5. Step 5: Solve for x
    x = 824,308,680,079.63/940,458.16
  6. Step 6: Final answer
    x = 876,496.92

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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.