Home / 971,562.88-1,340,997.16-661,977.52

Finding the Fourth Proportional to 971,562.88, 1,340,997.16 and 661,977.52

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Solution

The fourth proportional to 971,562.88, 1,340,997.16 and 661,977.52 is: 913,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,562.88 : 1,340,997.16 = 661,977.52 : x
  2. Step 2: Convert to fraction form
    971,562.88/1,340,997.16 = 661,977.52/x
  3. Step 3: Cross multiply
    971,562.88x = 1,340,997.16 × 661,977.52
  4. Step 4: Simplify right side
    971,562.88x = 887,709,974,303.84
  5. Step 5: Solve for x
    x = 887,709,974,303.84/971,562.88
  6. Step 6: Final answer
    x = 913,692.77

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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.