Home / 846,647.52-1,269,349.20-425,499.36

Finding the Fourth Proportional to 846,647.52, 1,269,349.20 and 425,499.36

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Solution

The fourth proportional to 846,647.52, 1,269,349.20 and 425,499.36 is: 637,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,647.52 : 1,269,349.20 = 425,499.36 : x
  2. Step 2: Convert to fraction form
    846,647.52/1,269,349.20 = 425,499.36/x
  3. Step 3: Cross multiply
    846,647.52x = 1,269,349.20 × 425,499.36
  4. Step 4: Simplify right side
    846,647.52x = 540,107,272,216.51
  5. Step 5: Solve for x
    x = 540,107,272,216.51/846,647.52
  6. Step 6: Final answer
    x = 637,936.40

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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.