Home / 877,184.76-1,315,824.99-278,102.59

Finding the Fourth Proportional to 877,184.76, 1,315,824.99 and 278,102.59

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Solution

The fourth proportional to 877,184.76, 1,315,824.99 and 278,102.59 is: 417,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,184.76 : 1,315,824.99 = 278,102.59 : x
  2. Step 2: Convert to fraction form
    877,184.76/1,315,824.99 = 278,102.59/x
  3. Step 3: Cross multiply
    877,184.76x = 1,315,824.99 × 278,102.59
  4. Step 4: Simplify right side
    877,184.76x = 365,934,333,373.28
  5. Step 5: Solve for x
    x = 365,934,333,373.28/877,184.76
  6. Step 6: Final answer
    x = 417,169.05

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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.