Home / 741,485.02-1,112,293.13-209,010.78

Finding the Fourth Proportional to 741,485.02, 1,112,293.13 and 209,010.78

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Solution

The fourth proportional to 741,485.02, 1,112,293.13 and 209,010.78 is: 313,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,485.02 : 1,112,293.13 = 209,010.78 : x
  2. Step 2: Convert to fraction form
    741,485.02/1,112,293.13 = 209,010.78/x
  3. Step 3: Cross multiply
    741,485.02x = 1,112,293.13 × 209,010.78
  4. Step 4: Simplify right side
    741,485.02x = 232,481,254,689.94
  5. Step 5: Solve for x
    x = 232,481,254,689.94/741,485.02
  6. Step 6: Final answer
    x = 313,534.66

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Double scale
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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.