Home / 764,475.81-1,054,913.83-450,097.68

Finding the Fourth Proportional to 764,475.81, 1,054,913.83 and 450,097.68

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Solution

The fourth proportional to 764,475.81, 1,054,913.83 and 450,097.68 is: 621,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,475.81 : 1,054,913.83 = 450,097.68 : x
  2. Step 2: Convert to fraction form
    764,475.81/1,054,913.83 = 450,097.68/x
  3. Step 3: Cross multiply
    764,475.81x = 1,054,913.83 × 450,097.68
  4. Step 4: Simplify right side
    764,475.81x = 474,814,267,482.91
  5. Step 5: Solve for x
    x = 474,814,267,482.91/764,475.81
  6. Step 6: Final answer
    x = 621,097.83

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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.