Home / 877,832.88-1,211,507.98-495,884.28

Finding the Fourth Proportional to 877,832.88, 1,211,507.98 and 495,884.28

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Solution

The fourth proportional to 877,832.88, 1,211,507.98 and 495,884.28 is: 684,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,832.88 : 1,211,507.98 = 495,884.28 : x
  2. Step 2: Convert to fraction form
    877,832.88/1,211,507.98 = 495,884.28/x
  3. Step 3: Cross multiply
    877,832.88x = 1,211,507.98 × 495,884.28
  4. Step 4: Simplify right side
    877,832.88x = 600,767,762,376.56
  5. Step 5: Solve for x
    x = 600,767,762,376.56/877,832.88
  6. Step 6: Final answer
    x = 684,376.01

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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.