Home / 644,227.52-966,144.36-307,090.40

Finding the Fourth Proportional to 644,227.52, 966,144.36 and 307,090.40

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Solution

The fourth proportional to 644,227.52, 966,144.36 and 307,090.40 is: 460,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,227.52 : 966,144.36 = 307,090.40 : x
  2. Step 2: Convert to fraction form
    644,227.52/966,144.36 = 307,090.40/x
  3. Step 3: Cross multiply
    644,227.52x = 966,144.36 × 307,090.40
  4. Step 4: Simplify right side
    644,227.52x = 296,693,657,970.14
  5. Step 5: Solve for x
    x = 296,693,657,970.14/644,227.52
  6. Step 6: Final answer
    x = 460,541.73

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Double scale
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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.