Home / 987,199.12-1,362,339.03-534,490.12

Finding the Fourth Proportional to 987,199.12, 1,362,339.03 and 534,490.12

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Solution

The fourth proportional to 987,199.12, 1,362,339.03 and 534,490.12 is: 737,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,199.12 : 1,362,339.03 = 534,490.12 : x
  2. Step 2: Convert to fraction form
    987,199.12/1,362,339.03 = 534,490.12/x
  3. Step 3: Cross multiply
    987,199.12x = 1,362,339.03 × 534,490.12
  4. Step 4: Simplify right side
    987,199.12x = 728,156,751,625.38
  5. Step 5: Solve for x
    x = 728,156,751,625.38/987,199.12
  6. Step 6: Final answer
    x = 737,598.66

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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.