Home / 936,540.93-1,292,429.70-506,820.95

Finding the Fourth Proportional to 936,540.93, 1,292,429.70 and 506,820.95

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Solution

The fourth proportional to 936,540.93, 1,292,429.70 and 506,820.95 is: 699,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,540.93 : 1,292,429.70 = 506,820.95 : x
  2. Step 2: Convert to fraction form
    936,540.93/1,292,429.70 = 506,820.95/x
  3. Step 3: Cross multiply
    936,540.93x = 1,292,429.70 × 506,820.95
  4. Step 4: Simplify right side
    936,540.93x = 655,030,441,900.07
  5. Step 5: Solve for x
    x = 655,030,441,900.07/936,540.93
  6. Step 6: Final answer
    x = 699,414.64

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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.