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Finding the Fourth Proportional to 612,733.29, 845,226.81 and 367,654.70

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Solution

The fourth proportional to 612,733.29, 845,226.81 and 367,654.70 is: 507,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,733.29 : 845,226.81 = 367,654.70 : x
  2. Step 2: Convert to fraction form
    612,733.29/845,226.81 = 367,654.70/x
  3. Step 3: Cross multiply
    612,733.29x = 845,226.81 × 367,654.70
  4. Step 4: Simplify right side
    612,733.29x = 310,751,605,036.37
  5. Step 5: Solve for x
    x = 310,751,605,036.37/612,733.29
  6. Step 6: Final answer
    x = 507,156.39

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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.