Home / 662,647.94-914,429.05-404,955.86

Finding the Fourth Proportional to 662,647.94, 914,429.05 and 404,955.86

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Solution

The fourth proportional to 662,647.94, 914,429.05 and 404,955.86 is: 558,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,647.94 : 914,429.05 = 404,955.86 : x
  2. Step 2: Convert to fraction form
    662,647.94/914,429.05 = 404,955.86/x
  3. Step 3: Cross multiply
    662,647.94x = 914,429.05 × 404,955.86
  4. Step 4: Simplify right side
    662,647.94x = 370,303,396,767.20
  5. Step 5: Solve for x
    x = 370,303,396,767.20/662,647.94
  6. Step 6: Final answer
    x = 558,823.74

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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.