Home / 560,870.12-773,996.90-306,220.52

Finding the Fourth Proportional to 560,870.12, 773,996.90 and 306,220.52

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Solution

The fourth proportional to 560,870.12, 773,996.90 and 306,220.52 is: 422,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,870.12 : 773,996.90 = 306,220.52 : x
  2. Step 2: Convert to fraction form
    560,870.12/773,996.90 = 306,220.52/x
  3. Step 3: Cross multiply
    560,870.12x = 773,996.90 × 306,220.52
  4. Step 4: Simplify right side
    560,870.12x = 237,013,733,196.39
  5. Step 5: Solve for x
    x = 237,013,733,196.39/560,870.12
  6. Step 6: Final answer
    x = 422,582.21

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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.