Home / 877,006.68-1,209,630.24-670,740.96

Finding the Fourth Proportional to 877,006.68, 1,209,630.24 and 670,740.96

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Solution

The fourth proportional to 877,006.68, 1,209,630.24 and 670,740.96 is: 925,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,006.68 : 1,209,630.24 = 670,740.96 : x
  2. Step 2: Convert to fraction form
    877,006.68/1,209,630.24 = 670,740.96/x
  3. Step 3: Cross multiply
    877,006.68x = 1,209,630.24 × 670,740.96
  4. Step 4: Simplify right side
    877,006.68x = 811,348,548,422.63
  5. Step 5: Solve for x
    x = 811,348,548,422.63/877,006.68
  6. Step 6: Final answer
    x = 925,133.83

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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.