Home / 808,112.40-1,212,168.60-471,533.10

Finding the Fourth Proportional to 808,112.40, 1,212,168.60 and 471,533.10

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Solution

The fourth proportional to 808,112.40, 1,212,168.60 and 471,533.10 is: 707,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,112.40 : 1,212,168.60 = 471,533.10 : x
  2. Step 2: Convert to fraction form
    808,112.40/1,212,168.60 = 471,533.10/x
  3. Step 3: Cross multiply
    808,112.40x = 1,212,168.60 × 471,533.10
  4. Step 4: Simplify right side
    808,112.40x = 571,577,617,680.66
  5. Step 5: Solve for x
    x = 571,577,617,680.66/808,112.40
  6. Step 6: Final answer
    x = 707,299.65

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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.