Home / 764,411.13-1,146,642.75-203,446.17

Finding the Fourth Proportional to 764,411.13, 1,146,642.75 and 203,446.17

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Solution

The fourth proportional to 764,411.13, 1,146,642.75 and 203,446.17 is: 305,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,411.13 : 1,146,642.75 = 203,446.17 : x
  2. Step 2: Convert to fraction form
    764,411.13/1,146,642.75 = 203,446.17/x
  3. Step 3: Cross multiply
    764,411.13x = 1,146,642.75 × 203,446.17
  4. Step 4: Simplify right side
    764,411.13x = 233,280,075,845.77
  5. Step 5: Solve for x
    x = 233,280,075,845.77/764,411.13
  6. Step 6: Final answer
    x = 305,176.19

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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.