Home / 764,475.31-1,054,913.14-450,097.18

Finding the Fourth Proportional to 764,475.31, 1,054,913.14 and 450,097.18

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Solution

The fourth proportional to 764,475.31, 1,054,913.14 and 450,097.18 is: 621,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,475.31 : 1,054,913.14 = 450,097.18 : x
  2. Step 2: Convert to fraction form
    764,475.31/1,054,913.14 = 450,097.18/x
  3. Step 3: Cross multiply
    764,475.31x = 1,054,913.14 × 450,097.18
  4. Step 4: Simplify right side
    764,475.31x = 474,813,429,458.95
  5. Step 5: Solve for x
    x = 474,813,429,458.95/764,475.31
  6. Step 6: Final answer
    x = 621,097.14

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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.