Home / 764,272.71-1,146,407.45-203,307.21

Finding the Fourth Proportional to 764,272.71, 1,146,407.45 and 203,307.21

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Solution

The fourth proportional to 764,272.71, 1,146,407.45 and 203,307.21 is: 304,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,272.71 : 1,146,407.45 = 203,307.21 : x
  2. Step 2: Convert to fraction form
    764,272.71/1,146,407.45 = 203,307.21/x
  3. Step 3: Cross multiply
    764,272.71x = 1,146,407.45 × 203,307.21
  4. Step 4: Simplify right side
    764,272.71x = 233,072,899,166.18
  5. Step 5: Solve for x
    x = 233,072,899,166.18/764,272.71
  6. Step 6: Final answer
    x = 304,960.38

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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.