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Finding the Fourth Proportional to 633,045.54, 873,463.20 and 374,794.26

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Solution

The fourth proportional to 633,045.54, 873,463.20 and 374,794.26 is: 517,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,045.54 : 873,463.20 = 374,794.26 : x
  2. Step 2: Convert to fraction form
    633,045.54/873,463.20 = 374,794.26/x
  3. Step 3: Cross multiply
    633,045.54x = 873,463.20 × 374,794.26
  4. Step 4: Simplify right side
    633,045.54x = 327,368,993,681.23
  5. Step 5: Solve for x
    x = 327,368,993,681.23/633,045.54
  6. Step 6: Final answer
    x = 517,133.40

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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.