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Finding the Fourth Proportional to 703,269.02, 970,510.23 and 380,980.41

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Solution

The fourth proportional to 703,269.02, 970,510.23 and 380,980.41 is: 525,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,269.02 : 970,510.23 = 380,980.41 : x
  2. Step 2: Convert to fraction form
    703,269.02/970,510.23 = 380,980.41/x
  3. Step 3: Cross multiply
    703,269.02x = 970,510.23 × 380,980.41
  4. Step 4: Simplify right side
    703,269.02x = 369,745,385,334.59
  5. Step 5: Solve for x
    x = 369,745,385,334.59/703,269.02
  6. Step 6: Final answer
    x = 525,752.42

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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.