Home / 847,113.72-1,270,903.86-286,541.88

Finding the Fourth Proportional to 847,113.72, 1,270,903.86 and 286,541.88

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Solution

The fourth proportional to 847,113.72, 1,270,903.86 and 286,541.88 is: 429,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,113.72 : 1,270,903.86 = 286,541.88 : x
  2. Step 2: Convert to fraction form
    847,113.72/1,270,903.86 = 286,541.88/x
  3. Step 3: Cross multiply
    847,113.72x = 1,270,903.86 × 286,541.88
  4. Step 4: Simplify right side
    847,113.72x = 364,167,181,343.66
  5. Step 5: Solve for x
    x = 364,167,181,343.66/847,113.72
  6. Step 6: Final answer
    x = 429,891.73

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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.