Home / 830,176.74-1,245,440.07-269,167.50

Finding the Fourth Proportional to 830,176.74, 1,245,440.07 and 269,167.50

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Solution

The fourth proportional to 830,176.74, 1,245,440.07 and 269,167.50 is: 403,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,176.74 : 1,245,440.07 = 269,167.50 : x
  2. Step 2: Convert to fraction form
    830,176.74/1,245,440.07 = 269,167.50/x
  3. Step 3: Cross multiply
    830,176.74x = 1,245,440.07 × 269,167.50
  4. Step 4: Simplify right side
    830,176.74x = 335,231,990,041.73
  5. Step 5: Solve for x
    x = 335,231,990,041.73/830,176.74
  6. Step 6: Final answer
    x = 403,807.98

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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.