Home / 905,720.94-1,248,577.61-632,941.90

Finding the Fourth Proportional to 905,720.94, 1,248,577.61 and 632,941.90

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Solution

The fourth proportional to 905,720.94, 1,248,577.61 and 632,941.90 is: 872,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,720.94 : 1,248,577.61 = 632,941.90 : x
  2. Step 2: Convert to fraction form
    905,720.94/1,248,577.61 = 632,941.90/x
  3. Step 3: Cross multiply
    905,720.94x = 1,248,577.61 × 632,941.90
  4. Step 4: Simplify right side
    905,720.94x = 790,277,078,484.71
  5. Step 5: Solve for x
    x = 790,277,078,484.71/905,720.94
  6. Step 6: Final answer
    x = 872,539.26

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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.