Home / 540,719.02-746,153.70-298,957.06

Finding the Fourth Proportional to 540,719.02, 746,153.70 and 298,957.06

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Solution

The fourth proportional to 540,719.02, 746,153.70 and 298,957.06 is: 412,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,719.02 : 746,153.70 = 298,957.06 : x
  2. Step 2: Convert to fraction form
    540,719.02/746,153.70 = 298,957.06/x
  3. Step 3: Cross multiply
    540,719.02x = 746,153.70 × 298,957.06
  4. Step 4: Simplify right side
    540,719.02x = 223,067,916,460.12
  5. Step 5: Solve for x
    x = 223,067,916,460.12/540,719.02
  6. Step 6: Final answer
    x = 412,539.43

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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.