Home / 434,140.80-651,211.20-276,482.40

Finding the Fourth Proportional to 434,140.80, 651,211.20 and 276,482.40

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Solution

The fourth proportional to 434,140.80, 651,211.20 and 276,482.40 is: 414,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,140.80 : 651,211.20 = 276,482.40 : x
  2. Step 2: Convert to fraction form
    434,140.80/651,211.20 = 276,482.40/x
  3. Step 3: Cross multiply
    434,140.80x = 651,211.20 × 276,482.40
  4. Step 4: Simplify right side
    434,140.80x = 180,048,435,482.88
  5. Step 5: Solve for x
    x = 180,048,435,482.88/434,140.80
  6. Step 6: Final answer
    x = 414,723.60

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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.