Home / 700,069.60-1,050,622.80-279,647.20

Finding the Fourth Proportional to 700,069.60, 1,050,622.80 and 279,647.20

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Solution

The fourth proportional to 700,069.60, 1,050,622.80 and 279,647.20 is: 419,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,069.60 : 1,050,622.80 = 279,647.20 : x
  2. Step 2: Convert to fraction form
    700,069.60/1,050,622.80 = 279,647.20/x
  3. Step 3: Cross multiply
    700,069.60x = 1,050,622.80 × 279,647.20
  4. Step 4: Simplify right side
    700,069.60x = 293,803,724,276.16
  5. Step 5: Solve for x
    x = 293,803,724,276.16/700,069.60
  6. Step 6: Final answer
    x = 419,677.88

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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.