Home / 872,008.08-1,307,449.81-416,352.86

Finding the Fourth Proportional to 872,008.08, 1,307,449.81 and 416,352.86

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Solution

The fourth proportional to 872,008.08, 1,307,449.81 and 416,352.86 is: 624,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,008.08 : 1,307,449.81 = 416,352.86 : x
  2. Step 2: Convert to fraction form
    872,008.08/1,307,449.81 = 416,352.86/x
  3. Step 3: Cross multiply
    872,008.08x = 1,307,449.81 × 416,352.86
  4. Step 4: Simplify right side
    872,008.08x = 544,360,464,244.10
  5. Step 5: Solve for x
    x = 544,360,464,244.10/872,008.08
  6. Step 6: Final answer
    x = 624,260.80

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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.