Home / 790,308.80-1,090,836.96-488,332.16

Finding the Fourth Proportional to 790,308.80, 1,090,836.96 and 488,332.16

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Solution

The fourth proportional to 790,308.80, 1,090,836.96 and 488,332.16 is: 674,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,308.80 : 1,090,836.96 = 488,332.16 : x
  2. Step 2: Convert to fraction form
    790,308.80/1,090,836.96 = 488,332.16/x
  3. Step 3: Cross multiply
    790,308.80x = 1,090,836.96 × 488,332.16
  4. Step 4: Simplify right side
    790,308.80x = 532,690,768,884.63
  5. Step 5: Solve for x
    x = 532,690,768,884.63/790,308.80
  6. Step 6: Final answer
    x = 674,028.64

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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.