Home / 686,516.10-1,027,700.55-603,572.10

Finding the Fourth Proportional to 686,516.10, 1,027,700.55 and 603,572.10

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Solution

The fourth proportional to 686,516.10, 1,027,700.55 and 603,572.10 is: 903,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,516.10 : 1,027,700.55 = 603,572.10 : x
  2. Step 2: Convert to fraction form
    686,516.10/1,027,700.55 = 603,572.10/x
  3. Step 3: Cross multiply
    686,516.10x = 1,027,700.55 × 603,572.10
  4. Step 4: Simplify right side
    686,516.10x = 620,291,379,134.66
  5. Step 5: Solve for x
    x = 620,291,379,134.66/686,516.10
  6. Step 6: Final answer
    x = 903,535.08

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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.