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Finding the Fourth Proportional to 474,664.25, 712,160.40 and 296,959.57

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Solution

The fourth proportional to 474,664.25, 712,160.40 and 296,959.57 is: 445,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,664.25 : 712,160.40 = 296,959.57 : x
  2. Step 2: Convert to fraction form
    474,664.25/712,160.40 = 296,959.57/x
  3. Step 3: Cross multiply
    474,664.25x = 712,160.40 × 296,959.57
  4. Step 4: Simplify right side
    474,664.25x = 211,482,845,488.23
  5. Step 5: Solve for x
    x = 211,482,845,488.23/474,664.25
  6. Step 6: Final answer
    x = 445,541.97

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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.