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Finding the Fourth Proportional to 659,830.20, 926,250.60 and 659,830.20

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Solution

The fourth proportional to 659,830.20, 926,250.60 and 659,830.20 is: 926,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,830.20 : 926,250.60 = 659,830.20 : x
  2. Step 2: Convert to fraction form
    659,830.20/926,250.60 = 659,830.20/x
  3. Step 3: Cross multiply
    659,830.20x = 926,250.60 × 659,830.20
  4. Step 4: Simplify right side
    659,830.20x = 611,168,118,648.12
  5. Step 5: Solve for x
    x = 611,168,118,648.12/659,830.20
  6. Step 6: Final answer
    x = 926,250.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.