Home / 847,867.08-1,271,987.48-469,339.94

Finding the Fourth Proportional to 847,867.08, 1,271,987.48 and 469,339.94

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Solution

The fourth proportional to 847,867.08, 1,271,987.48 and 469,339.94 is: 704,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,867.08 : 1,271,987.48 = 469,339.94 : x
  2. Step 2: Convert to fraction form
    847,867.08/1,271,987.48 = 469,339.94/x
  3. Step 3: Cross multiply
    847,867.08x = 1,271,987.48 × 469,339.94
  4. Step 4: Simplify right side
    847,867.08x = 596,994,527,543.95
  5. Step 5: Solve for x
    x = 596,994,527,543.95/847,867.08
  6. Step 6: Final answer
    x = 704,113.35

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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.