Home / 560,823.78-773,907.52-306,125.76

Finding the Fourth Proportional to 560,823.78, 773,907.52 and 306,125.76

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Solution

The fourth proportional to 560,823.78, 773,907.52 and 306,125.76 is: 422,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,823.78 : 773,907.52 = 306,125.76 : x
  2. Step 2: Convert to fraction form
    560,823.78/773,907.52 = 306,125.76/x
  3. Step 3: Cross multiply
    560,823.78x = 773,907.52 × 306,125.76
  4. Step 4: Simplify right side
    560,823.78x = 236,913,027,729.72
  5. Step 5: Solve for x
    x = 236,913,027,729.72/560,823.78
  6. Step 6: Final answer
    x = 422,437.56

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1.5x scale

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.