Home / 727,214.94-1,003,554.09-404,928.90

Finding the Fourth Proportional to 727,214.94, 1,003,554.09 and 404,928.90

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Solution

The fourth proportional to 727,214.94, 1,003,554.09 and 404,928.90 is: 558,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,214.94 : 1,003,554.09 = 404,928.90 : x
  2. Step 2: Convert to fraction form
    727,214.94/1,003,554.09 = 404,928.90/x
  3. Step 3: Cross multiply
    727,214.94x = 1,003,554.09 × 404,928.90
  4. Step 4: Simplify right side
    727,214.94x = 406,368,053,754.20
  5. Step 5: Solve for x
    x = 406,368,053,754.20/727,214.94
  6. Step 6: Final answer
    x = 558,800.47

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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.