Home / 947,851.66-1,421,777.49-316,765.47

Finding the Fourth Proportional to 947,851.66, 1,421,777.49 and 316,765.47

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Solution

The fourth proportional to 947,851.66, 1,421,777.49 and 316,765.47 is: 475,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,851.66 : 1,421,777.49 = 316,765.47 : x
  2. Step 2: Convert to fraction form
    947,851.66/1,421,777.49 = 316,765.47/x
  3. Step 3: Cross multiply
    947,851.66x = 1,421,777.49 × 316,765.47
  4. Step 4: Simplify right side
    947,851.66x = 450,370,014,855.27
  5. Step 5: Solve for x
    x = 450,370,014,855.27/947,851.66
  6. Step 6: Final answer
    x = 475,148.21

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Similar ratio
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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.