Home / 847,972.20-1,271,167.74-286,614.12

Finding the Fourth Proportional to 847,972.20, 1,271,167.74 and 286,614.12

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Solution

The fourth proportional to 847,972.20, 1,271,167.74 and 286,614.12 is: 429,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,972.20 : 1,271,167.74 = 286,614.12 : x
  2. Step 2: Convert to fraction form
    847,972.20/1,271,167.74 = 286,614.12/x
  3. Step 3: Cross multiply
    847,972.20x = 1,271,167.74 × 286,614.12
  4. Step 4: Simplify right side
    847,972.20x = 364,334,623,172.49
  5. Step 5: Solve for x
    x = 364,334,623,172.49/847,972.20
  6. Step 6: Final answer
    x = 429,653.97

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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.