Home / 540,788.31-746,283.51-299,081.07

Finding the Fourth Proportional to 540,788.31, 746,283.51 and 299,081.07

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Solution

The fourth proportional to 540,788.31, 746,283.51 and 299,081.07 is: 412,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,788.31 : 746,283.51 = 299,081.07 : x
  2. Step 2: Convert to fraction form
    540,788.31/746,283.51 = 299,081.07/x
  3. Step 3: Cross multiply
    540,788.31x = 746,283.51 × 299,081.07
  4. Step 4: Simplify right side
    540,788.31x = 223,199,270,694.16
  5. Step 5: Solve for x
    x = 223,199,270,694.16/540,788.31
  6. Step 6: Final answer
    x = 412,729.47

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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.