Home / 700,289.40-1,050,698.84-274,129.80

Finding the Fourth Proportional to 700,289.40, 1,050,698.84 and 274,129.80

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Solution

The fourth proportional to 700,289.40, 1,050,698.84 and 274,129.80 is: 411,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,289.40 : 1,050,698.84 = 274,129.80 : x
  2. Step 2: Convert to fraction form
    700,289.40/1,050,698.84 = 274,129.80/x
  3. Step 3: Cross multiply
    700,289.40x = 1,050,698.84 × 274,129.80
  4. Step 4: Simplify right side
    700,289.40x = 288,027,862,869.43
  5. Step 5: Solve for x
    x = 288,027,862,869.43/700,289.40
  6. Step 6: Final answer
    x = 411,298.33

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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.