Home / 786,210.50-1,179,928.11-548,002.46

Finding the Fourth Proportional to 786,210.50, 1,179,928.11 and 548,002.46

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Solution

The fourth proportional to 786,210.50, 1,179,928.11 and 548,002.46 is: 822,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,210.50 : 1,179,928.11 = 548,002.46 : x
  2. Step 2: Convert to fraction form
    786,210.50/1,179,928.11 = 548,002.46/x
  3. Step 3: Cross multiply
    786,210.50x = 1,179,928.11 × 548,002.46
  4. Step 4: Simplify right side
    786,210.50x = 646,603,511,907.98
  5. Step 5: Solve for x
    x = 646,603,511,907.98/786,210.50
  6. Step 6: Final answer
    x = 822,430.52

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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.