Home / 540,610.29-746,012.07-298,878.75

Finding the Fourth Proportional to 540,610.29, 746,012.07 and 298,878.75

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Solution

The fourth proportional to 540,610.29, 746,012.07 and 298,878.75 is: 412,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,610.29 : 746,012.07 = 298,878.75 : x
  2. Step 2: Convert to fraction form
    540,610.29/746,012.07 = 298,878.75/x
  3. Step 3: Cross multiply
    540,610.29x = 746,012.07 × 298,878.75
  4. Step 4: Simplify right side
    540,610.29x = 222,967,154,966.51
  5. Step 5: Solve for x
    x = 222,967,154,966.51/540,610.29
  6. Step 6: Final answer
    x = 412,436.02

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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.