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Finding the Fourth Proportional to 522,085.60, 729,345.20 and 522,085.60

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Solution

The fourth proportional to 522,085.60, 729,345.20 and 522,085.60 is: 729,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,085.60 : 729,345.20 = 522,085.60 : x
  2. Step 2: Convert to fraction form
    522,085.60/729,345.20 = 522,085.60/x
  3. Step 3: Cross multiply
    522,085.60x = 729,345.20 × 522,085.60
  4. Step 4: Simplify right side
    522,085.60x = 380,780,626,349.12
  5. Step 5: Solve for x
    x = 380,780,626,349.12/522,085.60
  6. Step 6: Final answer
    x = 729,345.20

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