Home / 887,791.69-1,225,272.52-500,686.72

Finding the Fourth Proportional to 887,791.69, 1,225,272.52 and 500,686.72

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Solution

The fourth proportional to 887,791.69, 1,225,272.52 and 500,686.72 is: 691,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,791.69 : 1,225,272.52 = 500,686.72 : x
  2. Step 2: Convert to fraction form
    887,791.69/1,225,272.52 = 500,686.72/x
  3. Step 3: Cross multiply
    887,791.69x = 1,225,272.52 × 500,686.72
  4. Step 4: Simplify right side
    887,791.69x = 613,477,676,707.61
  5. Step 5: Solve for x
    x = 613,477,676,707.61/887,791.69
  6. Step 6: Final answer
    x = 691,015.34

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Double scale
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1.5x scale

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.