Home / 887,811.98-1,225,300.50-500,706.97

Finding the Fourth Proportional to 887,811.98, 1,225,300.50 and 500,706.97

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Solution

The fourth proportional to 887,811.98, 1,225,300.50 and 500,706.97 is: 691,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,811.98 : 1,225,300.50 = 500,706.97 : x
  2. Step 2: Convert to fraction form
    887,811.98/1,225,300.50 = 500,706.97/x
  3. Step 3: Cross multiply
    887,811.98x = 1,225,300.50 × 500,706.97
  4. Step 4: Simplify right side
    887,811.98x = 613,516,497,631.23
  5. Step 5: Solve for x
    x = 613,516,497,631.23/887,811.98
  6. Step 6: Final answer
    x = 691,043.28

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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.