Home / 786,274.39-1,177,778.62-500,551.95

Finding the Fourth Proportional to 786,274.39, 1,177,778.62 and 500,551.95

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Solution

The fourth proportional to 786,274.39, 1,177,778.62 and 500,551.95 is: 749,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,274.39 : 1,177,778.62 = 500,551.95 : x
  2. Step 2: Convert to fraction form
    786,274.39/1,177,778.62 = 500,551.95/x
  3. Step 3: Cross multiply
    786,274.39x = 1,177,778.62 × 500,551.95
  4. Step 4: Simplify right side
    786,274.39x = 589,539,382,406.55
  5. Step 5: Solve for x
    x = 589,539,382,406.55/786,274.39
  6. Step 6: Final answer
    x = 749,788.36

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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.