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Finding the Fourth Proportional to 607,489.60, 910,456.80 and 537,505.60

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Solution

The fourth proportional to 607,489.60, 910,456.80 and 537,505.60 is: 805,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,489.60 : 910,456.80 = 537,505.60 : x
  2. Step 2: Convert to fraction form
    607,489.60/910,456.80 = 537,505.60/x
  3. Step 3: Cross multiply
    607,489.60x = 910,456.80 × 537,505.60
  4. Step 4: Simplify right side
    607,489.60x = 489,375,628,558.08
  5. Step 5: Solve for x
    x = 489,375,628,558.08/607,489.60
  6. Step 6: Final answer
    x = 805,570.38

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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.