Home / 875,966.64-1,208,743.32-646,645.68

Finding the Fourth Proportional to 875,966.64, 1,208,743.32 and 646,645.68

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Solution

The fourth proportional to 875,966.64, 1,208,743.32 and 646,645.68 is: 892,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,966.64 : 1,208,743.32 = 646,645.68 : x
  2. Step 2: Convert to fraction form
    875,966.64/1,208,743.32 = 646,645.68/x
  3. Step 3: Cross multiply
    875,966.64x = 1,208,743.32 × 646,645.68
  4. Step 4: Simplify right side
    875,966.64x = 781,628,646,106.86
  5. Step 5: Solve for x
    x = 781,628,646,106.86/875,966.64
  6. Step 6: Final answer
    x = 892,304.12

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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.