Home / 847,642.61-1,271,473.78-248,615.72

Finding the Fourth Proportional to 847,642.61, 1,271,473.78 and 248,615.72

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Solution

The fourth proportional to 847,642.61, 1,271,473.78 and 248,615.72 is: 372,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,642.61 : 1,271,473.78 = 248,615.72 : x
  2. Step 2: Convert to fraction form
    847,642.61/1,271,473.78 = 248,615.72/x
  3. Step 3: Cross multiply
    847,642.61x = 1,271,473.78 × 248,615.72
  4. Step 4: Simplify right side
    847,642.61x = 316,108,362,296.91
  5. Step 5: Solve for x
    x = 316,108,362,296.91/847,642.61
  6. Step 6: Final answer
    x = 372,926.47

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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.