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Finding the Fourth Proportional to 525,497.60, 788,829.60 and 326,043.20

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Solution

The fourth proportional to 525,497.60, 788,829.60 and 326,043.20 is: 489,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,497.60 : 788,829.60 = 326,043.20 : x
  2. Step 2: Convert to fraction form
    525,497.60/788,829.60 = 326,043.20/x
  3. Step 3: Cross multiply
    525,497.60x = 788,829.60 × 326,043.20
  4. Step 4: Simplify right side
    525,497.60x = 257,192,527,038.72
  5. Step 5: Solve for x
    x = 257,192,527,038.72/525,497.60
  6. Step 6: Final answer
    x = 489,426.64

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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.