Home / 987,045.32-1,362,126.96-534,336.32

Finding the Fourth Proportional to 987,045.32, 1,362,126.96 and 534,336.32

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Solution

The fourth proportional to 987,045.32, 1,362,126.96 and 534,336.32 is: 737,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,045.32 : 1,362,126.96 = 534,336.32 : x
  2. Step 2: Convert to fraction form
    987,045.32/1,362,126.96 = 534,336.32/x
  3. Step 3: Cross multiply
    987,045.32x = 1,362,126.96 × 534,336.32
  4. Step 4: Simplify right side
    987,045.32x = 727,833,907,179.19
  5. Step 5: Solve for x
    x = 727,833,907,179.19/987,045.32
  6. Step 6: Final answer
    x = 737,386.51

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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.