Home / 997,607.91-1,496,633.28-287,580.54

Finding the Fourth Proportional to 997,607.91, 1,496,633.28 and 287,580.54

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Solution

The fourth proportional to 997,607.91, 1,496,633.28 and 287,580.54 is: 431,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,607.91 : 1,496,633.28 = 287,580.54 : x
  2. Step 2: Convert to fraction form
    997,607.91/1,496,633.28 = 287,580.54/x
  3. Step 3: Cross multiply
    997,607.91x = 1,496,633.28 × 287,580.54
  4. Step 4: Simplify right side
    997,607.91x = 430,402,606,844.37
  5. Step 5: Solve for x
    x = 430,402,606,844.37/997,607.91
  6. Step 6: Final answer
    x = 431,434.64

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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.