Home / 887,668.27-1,224,973.02-505,703.25

Finding the Fourth Proportional to 887,668.27, 1,224,973.02 and 505,703.25

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Solution

The fourth proportional to 887,668.27, 1,224,973.02 and 505,703.25 is: 697,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,668.27 : 1,224,973.02 = 505,703.25 : x
  2. Step 2: Convert to fraction form
    887,668.27/1,224,973.02 = 505,703.25/x
  3. Step 3: Cross multiply
    887,668.27x = 1,224,973.02 × 505,703.25
  4. Step 4: Simplify right side
    887,668.27x = 619,472,839,272.70
  5. Step 5: Solve for x
    x = 619,472,839,272.70/887,668.27
  6. Step 6: Final answer
    x = 697,865.25

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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.