Home / 847,741.44-1,271,730.24-286,625.28

Finding the Fourth Proportional to 847,741.44, 1,271,730.24 and 286,625.28

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Solution

The fourth proportional to 847,741.44, 1,271,730.24 and 286,625.28 is: 429,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,741.44 : 1,271,730.24 = 286,625.28 : x
  2. Step 2: Convert to fraction form
    847,741.44/1,271,730.24 = 286,625.28/x
  3. Step 3: Cross multiply
    847,741.44x = 1,271,730.24 × 286,625.28
  4. Step 4: Simplify right side
    847,741.44x = 364,510,036,124.47
  5. Step 5: Solve for x
    x = 364,510,036,124.47/847,741.44
  6. Step 6: Final answer
    x = 429,977.84

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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.