Home / 749,696.30-1,124,602.78-217,224.98

Finding the Fourth Proportional to 749,696.30, 1,124,602.78 and 217,224.98

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Solution

The fourth proportional to 749,696.30, 1,124,602.78 and 217,224.98 is: 325,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,696.30 : 1,124,602.78 = 217,224.98 : x
  2. Step 2: Convert to fraction form
    749,696.30/1,124,602.78 = 217,224.98/x
  3. Step 3: Cross multiply
    749,696.30x = 1,124,602.78 × 217,224.98
  4. Step 4: Simplify right side
    749,696.30x = 244,291,816,393.44
  5. Step 5: Solve for x
    x = 244,291,816,393.44/749,696.30
  6. Step 6: Final answer
    x = 325,854.37

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1.5x scale

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.