Home / 877,023.88-1,315,582.24-278,031.76

Finding the Fourth Proportional to 877,023.88, 1,315,582.24 and 278,031.76

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Solution

The fourth proportional to 877,023.88, 1,315,582.24 and 278,031.76 is: 417,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,023.88 : 1,315,582.24 = 278,031.76 : x
  2. Step 2: Convert to fraction form
    877,023.88/1,315,582.24 = 278,031.76/x
  3. Step 3: Cross multiply
    877,023.88x = 1,315,582.24 × 278,031.76
  4. Step 4: Simplify right side
    877,023.88x = 365,773,645,611.94
  5. Step 5: Solve for x
    x = 365,773,645,611.94/877,023.88
  6. Step 6: Final answer
    x = 417,062.36

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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.