Home / 947,615.93-1,421,498.41-316,531.97

Finding the Fourth Proportional to 947,615.93, 1,421,498.41 and 316,531.97

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Solution

The fourth proportional to 947,615.93, 1,421,498.41 and 316,531.97 is: 474,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,615.93 : 1,421,498.41 = 316,531.97 : x
  2. Step 2: Convert to fraction form
    947,615.93/1,421,498.41 = 316,531.97/x
  3. Step 3: Cross multiply
    947,615.93x = 1,421,498.41 × 316,531.97
  4. Step 4: Simplify right side
    947,615.93x = 449,949,684,170.35
  5. Step 5: Solve for x
    x = 449,949,684,170.35/947,615.93
  6. Step 6: Final answer
    x = 474,822.84

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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.