Home / 940,445.12-1,298,211.45-634,935.39

Finding the Fourth Proportional to 940,445.12, 1,298,211.45 and 634,935.39

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Solution

The fourth proportional to 940,445.12, 1,298,211.45 and 634,935.39 is: 876,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,445.12 : 1,298,211.45 = 634,935.39 : x
  2. Step 2: Convert to fraction form
    940,445.12/1,298,211.45 = 634,935.39/x
  3. Step 3: Cross multiply
    940,445.12x = 1,298,211.45 × 634,935.39
  4. Step 4: Simplify right side
    940,445.12x = 824,280,393,308.22
  5. Step 5: Solve for x
    x = 824,280,393,308.22/940,445.12
  6. Step 6: Final answer
    x = 876,479.00

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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.