Home / 947,830.82-1,421,746.24-316,744.63

Finding the Fourth Proportional to 947,830.82, 1,421,746.24 and 316,744.63

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Solution

The fourth proportional to 947,830.82, 1,421,746.24 and 316,744.63 is: 475,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,830.82 : 1,421,746.24 = 316,744.63 : x
  2. Step 2: Convert to fraction form
    947,830.82/1,421,746.24 = 316,744.63/x
  3. Step 3: Cross multiply
    947,830.82x = 1,421,746.24 × 316,744.63
  4. Step 4: Simplify right side
    947,830.82x = 450,330,488,713.33
  5. Step 5: Solve for x
    x = 450,330,488,713.33/947,830.82
  6. Step 6: Final answer
    x = 475,116.95

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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.