Home / 697,072.20-1,046,645.10-539,478.60

Finding the Fourth Proportional to 697,072.20, 1,046,645.10 and 539,478.60

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Solution

The fourth proportional to 697,072.20, 1,046,645.10 and 539,478.60 is: 810,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,072.20 : 1,046,645.10 = 539,478.60 : x
  2. Step 2: Convert to fraction form
    697,072.20/1,046,645.10 = 539,478.60/x
  3. Step 3: Cross multiply
    697,072.20x = 1,046,645.10 × 539,478.60
  4. Step 4: Simplify right side
    697,072.20x = 564,642,633,244.86
  5. Step 5: Solve for x
    x = 564,642,633,244.86/697,072.20
  6. Step 6: Final answer
    x = 810,020.30

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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.