Home / 699,152.30-964,685.25-408,707.45

Finding the Fourth Proportional to 699,152.30, 964,685.25 and 408,707.45

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Solution

The fourth proportional to 699,152.30, 964,685.25 and 408,707.45 is: 563,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,152.30 : 964,685.25 = 408,707.45 : x
  2. Step 2: Convert to fraction form
    699,152.30/964,685.25 = 408,707.45/x
  3. Step 3: Cross multiply
    699,152.30x = 964,685.25 × 408,707.45
  4. Step 4: Simplify right side
    699,152.30x = 394,274,043,756.69
  5. Step 5: Solve for x
    x = 394,274,043,756.69/699,152.30
  6. Step 6: Final answer
    x = 563,931.56

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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.