Home / 699,180.48-1,048,838.88-278,357.76

Finding the Fourth Proportional to 699,180.48, 1,048,838.88 and 278,357.76

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Solution

The fourth proportional to 699,180.48, 1,048,838.88 and 278,357.76 is: 417,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,180.48 : 1,048,838.88 = 278,357.76 : x
  2. Step 2: Convert to fraction form
    699,180.48/1,048,838.88 = 278,357.76/x
  3. Step 3: Cross multiply
    699,180.48x = 1,048,838.88 × 278,357.76
  4. Step 4: Simplify right side
    699,180.48x = 291,952,441,237.71
  5. Step 5: Solve for x
    x = 291,952,441,237.71/699,180.48
  6. Step 6: Final answer
    x = 417,563.78

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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.