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Finding the Fourth Proportional to 703,309.50, 970,567.52 and 381,021.84

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Solution

The fourth proportional to 703,309.50, 970,567.52 and 381,021.84 is: 525,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,309.50 : 970,567.52 = 381,021.84 : x
  2. Step 2: Convert to fraction form
    703,309.50/970,567.52 = 381,021.84/x
  3. Step 3: Cross multiply
    703,309.50x = 970,567.52 × 381,021.84
  4. Step 4: Simplify right side
    703,309.50x = 369,807,420,409.53
  5. Step 5: Solve for x
    x = 369,807,420,409.53/703,309.50
  6. Step 6: Final answer
    x = 525,810.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.