Home / 887,368.41-1,224,568.46-505,430.73

Finding the Fourth Proportional to 887,368.41, 1,224,568.46 and 505,430.73

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Solution

The fourth proportional to 887,368.41, 1,224,568.46 and 505,430.73 is: 697,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,368.41 : 1,224,568.46 = 505,430.73 : x
  2. Step 2: Convert to fraction form
    887,368.41/1,224,568.46 = 505,430.73/x
  3. Step 3: Cross multiply
    887,368.41x = 1,224,568.46 × 505,430.73
  4. Step 4: Simplify right side
    887,368.41x = 618,934,531,936.35
  5. Step 5: Solve for x
    x = 618,934,531,936.35/887,368.41
  6. Step 6: Final answer
    x = 697,494.44

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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.