Home / 913,229.31-1,370,316.47-662,578.64

Finding the Fourth Proportional to 913,229.31, 1,370,316.47 and 662,578.64

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Solution

The fourth proportional to 913,229.31, 1,370,316.47 and 662,578.64 is: 994,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,229.31 : 1,370,316.47 = 662,578.64 : x
  2. Step 2: Convert to fraction form
    913,229.31/1,370,316.47 = 662,578.64/x
  3. Step 3: Cross multiply
    913,229.31x = 1,370,316.47 × 662,578.64
  4. Step 4: Simplify right side
    913,229.31x = 907,942,412,897.73
  5. Step 5: Solve for x
    x = 907,942,412,897.73/913,229.31
  6. Step 6: Final answer
    x = 994,210.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.