Home / 847,133.46-1,270,700.64-531,811.80

Finding the Fourth Proportional to 847,133.46, 1,270,700.64 and 531,811.80

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Solution

The fourth proportional to 847,133.46, 1,270,700.64 and 531,811.80 is: 797,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,133.46 : 1,270,700.64 = 531,811.80 : x
  2. Step 2: Convert to fraction form
    847,133.46/1,270,700.64 = 531,811.80/x
  3. Step 3: Cross multiply
    847,133.46x = 1,270,700.64 × 531,811.80
  4. Step 4: Simplify right side
    847,133.46x = 675,773,594,619.55
  5. Step 5: Solve for x
    x = 675,773,594,619.55/847,133.46
  6. Step 6: Final answer
    x = 797,717.98

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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.