Home / 787,850.52-1,087,246.62-430,154.52

Finding the Fourth Proportional to 787,850.52, 1,087,246.62 and 430,154.52

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Solution

The fourth proportional to 787,850.52, 1,087,246.62 and 430,154.52 is: 593,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,850.52 : 1,087,246.62 = 430,154.52 : x
  2. Step 2: Convert to fraction form
    787,850.52/1,087,246.62 = 430,154.52/x
  3. Step 3: Cross multiply
    787,850.52x = 1,087,246.62 × 430,154.52
  4. Step 4: Simplify right side
    787,850.52x = 467,684,047,947.72
  5. Step 5: Solve for x
    x = 467,684,047,947.72/787,850.52
  6. Step 6: Final answer
    x = 593,620.28

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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.