Home / 877,885.59-1,211,580.59-495,936.98

Finding the Fourth Proportional to 877,885.59, 1,211,580.59 and 495,936.98

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Solution

The fourth proportional to 877,885.59, 1,211,580.59 and 495,936.98 is: 684,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,885.59 : 1,211,580.59 = 495,936.98 : x
  2. Step 2: Convert to fraction form
    877,885.59/1,211,580.59 = 495,936.98/x
  3. Step 3: Cross multiply
    877,885.59x = 1,211,580.59 × 495,936.98
  4. Step 4: Simplify right side
    877,885.59x = 600,867,614,837.06
  5. Step 5: Solve for x
    x = 600,867,614,837.06/877,885.59
  6. Step 6: Final answer
    x = 684,448.66

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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.