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Finding the Fourth Proportional to 612,043.91, 844,595.02 and 340,109.37

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Solution

The fourth proportional to 612,043.91, 844,595.02 and 340,109.37 is: 469,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,043.91 : 844,595.02 = 340,109.37 : x
  2. Step 2: Convert to fraction form
    612,043.91/844,595.02 = 340,109.37/x
  3. Step 3: Cross multiply
    612,043.91x = 844,595.02 × 340,109.37
  4. Step 4: Simplify right side
    612,043.91x = 287,254,680,582.47
  5. Step 5: Solve for x
    x = 287,254,680,582.47/612,043.91
  6. Step 6: Final answer
    x = 469,336.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.