Home / 780,599.41-1,170,101.52-442,926.73

Finding the Fourth Proportional to 780,599.41, 1,170,101.52 and 442,926.73

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Solution

The fourth proportional to 780,599.41, 1,170,101.52 and 442,926.73 is: 663,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,599.41 : 1,170,101.52 = 442,926.73 : x
  2. Step 2: Convert to fraction form
    780,599.41/1,170,101.52 = 442,926.73/x
  3. Step 3: Cross multiply
    780,599.41x = 1,170,101.52 × 442,926.73
  4. Step 4: Simplify right side
    780,599.41x = 518,269,240,021.63
  5. Step 5: Solve for x
    x = 518,269,240,021.63/780,599.41
  6. Step 6: Final answer
    x = 663,937.52

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1.5x scale

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.