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Finding the Fourth Proportional to 576,329.60, 863,392.80 and 310,001.60

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Solution

The fourth proportional to 576,329.60, 863,392.80 and 310,001.60 is: 464,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,329.60 : 863,392.80 = 310,001.60 : x
  2. Step 2: Convert to fraction form
    576,329.60/863,392.80 = 310,001.60/x
  3. Step 3: Cross multiply
    576,329.60x = 863,392.80 × 310,001.60
  4. Step 4: Simplify right side
    576,329.60x = 267,653,149,428.48
  5. Step 5: Solve for x
    x = 267,653,149,428.48/576,329.60
  6. Step 6: Final answer
    x = 464,409.86

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1.5x scale

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.