Home / 971,690.14-1,340,570.91-563,563.12

Finding the Fourth Proportional to 971,690.14, 1,340,570.91 and 563,563.12

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Solution

The fourth proportional to 971,690.14, 1,340,570.91 and 563,563.12 is: 777,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,690.14 : 1,340,570.91 = 563,563.12 : x
  2. Step 2: Convert to fraction form
    971,690.14/1,340,570.91 = 563,563.12/x
  3. Step 3: Cross multiply
    971,690.14x = 1,340,570.91 × 563,563.12
  4. Step 4: Simplify right side
    971,690.14x = 755,496,324,620.84
  5. Step 5: Solve for x
    x = 755,496,324,620.84/971,690.14
  6. Step 6: Final answer
    x = 777,507.45

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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.