Home / 948,465.39-1,308,283.79-661,880.91

Finding the Fourth Proportional to 948,465.39, 1,308,283.79 and 661,880.91

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Solution

The fourth proportional to 948,465.39, 1,308,283.79 and 661,880.91 is: 912,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,465.39 : 1,308,283.79 = 661,880.91 : x
  2. Step 2: Convert to fraction form
    948,465.39/1,308,283.79 = 661,880.91/x
  3. Step 3: Cross multiply
    948,465.39x = 1,308,283.79 × 661,880.91
  4. Step 4: Simplify right side
    948,465.39x = 865,928,062,154.04
  5. Step 5: Solve for x
    x = 865,928,062,154.04/948,465.39
  6. Step 6: Final answer
    x = 912,978.03

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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.