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Finding the Fourth Proportional to 507,277.98, 760,893.28 and 207,684.50

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Solution

The fourth proportional to 507,277.98, 760,893.28 and 207,684.50 is: 311,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,277.98 : 760,893.28 = 207,684.50 : x
  2. Step 2: Convert to fraction form
    507,277.98/760,893.28 = 207,684.50/x
  3. Step 3: Cross multiply
    507,277.98x = 760,893.28 × 207,684.50
  4. Step 4: Simplify right side
    507,277.98x = 158,025,736,086.48
  5. Step 5: Solve for x
    x = 158,025,736,086.48/507,277.98
  6. Step 6: Final answer
    x = 311,517.04

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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.