Home / 947,335.54-1,421,098.96-307,612.53

Finding the Fourth Proportional to 947,335.54, 1,421,098.96 and 307,612.53

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Solution

The fourth proportional to 947,335.54, 1,421,098.96 and 307,612.53 is: 461,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,335.54 : 1,421,098.96 = 307,612.53 : x
  2. Step 2: Convert to fraction form
    947,335.54/1,421,098.96 = 307,612.53/x
  3. Step 3: Cross multiply
    947,335.54x = 1,421,098.96 × 307,612.53
  4. Step 4: Simplify right side
    947,335.54x = 437,147,839,360.47
  5. Step 5: Solve for x
    x = 437,147,839,360.47/947,335.54
  6. Step 6: Final answer
    x = 461,449.85

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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.