Home / 741,777.60-1,112,666.40-268,802.40

Finding the Fourth Proportional to 741,777.60, 1,112,666.40 and 268,802.40

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Solution

The fourth proportional to 741,777.60, 1,112,666.40 and 268,802.40 is: 403,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,777.60 : 1,112,666.40 = 268,802.40 : x
  2. Step 2: Convert to fraction form
    741,777.60/1,112,666.40 = 268,802.40/x
  3. Step 3: Cross multiply
    741,777.60x = 1,112,666.40 × 268,802.40
  4. Step 4: Simplify right side
    741,777.60x = 299,087,398,719.36
  5. Step 5: Solve for x
    x = 299,087,398,719.36/741,777.60
  6. Step 6: Final answer
    x = 403,203.60

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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.