Home / 877,188.76-1,315,830.99-278,106.59

Finding the Fourth Proportional to 877,188.76, 1,315,830.99 and 278,106.59

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Solution

The fourth proportional to 877,188.76, 1,315,830.99 and 278,106.59 is: 417,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,188.76 : 1,315,830.99 = 278,106.59 : x
  2. Step 2: Convert to fraction form
    877,188.76/1,315,830.99 = 278,106.59/x
  3. Step 3: Cross multiply
    877,188.76x = 1,315,830.99 × 278,106.59
  4. Step 4: Simplify right side
    877,188.76x = 365,941,269,645.22
  5. Step 5: Solve for x
    x = 365,941,269,645.22/877,188.76
  6. Step 6: Final answer
    x = 417,175.06

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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.