Home / 936,458.47-1,292,314.94-506,743.21

Finding the Fourth Proportional to 936,458.47, 1,292,314.94 and 506,743.21

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Solution

The fourth proportional to 936,458.47, 1,292,314.94 and 506,743.21 is: 699,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,458.47 : 1,292,314.94 = 506,743.21 : x
  2. Step 2: Convert to fraction form
    936,458.47/1,292,314.94 = 506,743.21/x
  3. Step 3: Cross multiply
    936,458.47x = 1,292,314.94 × 506,743.21
  4. Step 4: Simplify right side
    936,458.47x = 654,871,821,026.56
  5. Step 5: Solve for x
    x = 654,871,821,026.56/936,458.47
  6. Step 6: Final answer
    x = 699,306.85

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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.