Home / 764,482.55-1,147,609.67-410,188.55

Finding the Fourth Proportional to 764,482.55, 1,147,609.67 and 410,188.55

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Solution

The fourth proportional to 764,482.55, 1,147,609.67 and 410,188.55 is: 615,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,482.55 : 1,147,609.67 = 410,188.55 : x
  2. Step 2: Convert to fraction form
    764,482.55/1,147,609.67 = 410,188.55/x
  3. Step 3: Cross multiply
    764,482.55x = 1,147,609.67 × 410,188.55
  4. Step 4: Simplify right side
    764,482.55x = 470,736,338,714.29
  5. Step 5: Solve for x
    x = 470,736,338,714.29/764,482.55
  6. Step 6: Final answer
    x = 615,758.13

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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.