Home / 688,288.11-950,632.38-458,466.81

Finding the Fourth Proportional to 688,288.11, 950,632.38 and 458,466.81

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Solution

The fourth proportional to 688,288.11, 950,632.38 and 458,466.81 is: 633,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,288.11 : 950,632.38 = 458,466.81 : x
  2. Step 2: Convert to fraction form
    688,288.11/950,632.38 = 458,466.81/x
  3. Step 3: Cross multiply
    688,288.11x = 950,632.38 × 458,466.81
  4. Step 4: Simplify right side
    688,288.11x = 435,833,394,741.31
  5. Step 5: Solve for x
    x = 435,833,394,741.31/688,288.11
  6. Step 6: Final answer
    x = 633,213.60

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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.