Home / 940,459.16-1,298,230.80-634,949.39

Finding the Fourth Proportional to 940,459.16, 1,298,230.80 and 634,949.39

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Solution

The fourth proportional to 940,459.16, 1,298,230.80 and 634,949.39 is: 876,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,459.16 : 1,298,230.80 = 634,949.39 : x
  2. Step 2: Convert to fraction form
    940,459.16/1,298,230.80 = 634,949.39/x
  3. Step 3: Cross multiply
    940,459.16x = 1,298,230.80 × 634,949.39
  4. Step 4: Simplify right side
    940,459.16x = 824,310,854,539.21
  5. Step 5: Solve for x
    x = 824,310,854,539.21/940,459.16
  6. Step 6: Final answer
    x = 876,498.30

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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.