Home / 645,527.20-968,161.20-308,567.20

Finding the Fourth Proportional to 645,527.20, 968,161.20 and 308,567.20

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Solution

The fourth proportional to 645,527.20, 968,161.20 and 308,567.20 is: 462,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,527.20 : 968,161.20 = 308,567.20 : x
  2. Step 2: Convert to fraction form
    645,527.20/968,161.20 = 308,567.20/x
  3. Step 3: Cross multiply
    645,527.20x = 968,161.20 × 308,567.20
  4. Step 4: Simplify right side
    645,527.20x = 298,742,790,632.64
  5. Step 5: Solve for x
    x = 298,742,790,632.64/645,527.20
  6. Step 6: Final answer
    x = 462,788.85

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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.