Home / 847,114.72-1,270,905.36-286,542.88

Finding the Fourth Proportional to 847,114.72, 1,270,905.36 and 286,542.88

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Solution

The fourth proportional to 847,114.72, 1,270,905.36 and 286,542.88 is: 429,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,114.72 : 1,270,905.36 = 286,542.88 : x
  2. Step 2: Convert to fraction form
    847,114.72/1,270,905.36 = 286,542.88/x
  3. Step 3: Cross multiply
    847,114.72x = 1,270,905.36 × 286,542.88
  4. Step 4: Simplify right side
    847,114.72x = 364,168,882,061.84
  5. Step 5: Solve for x
    x = 364,168,882,061.84/847,114.72
  6. Step 6: Final answer
    x = 429,893.23

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Double scale
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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.