Home / 646,301.64-891,931.59-359,815.44

Finding the Fourth Proportional to 646,301.64, 891,931.59 and 359,815.44

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Solution

The fourth proportional to 646,301.64, 891,931.59 and 359,815.44 is: 496,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,301.64 : 891,931.59 = 359,815.44 : x
  2. Step 2: Convert to fraction form
    646,301.64/891,931.59 = 359,815.44/x
  3. Step 3: Cross multiply
    646,301.64x = 891,931.59 × 359,815.44
  4. Step 4: Simplify right side
    646,301.64x = 320,930,757,505.75
  5. Step 5: Solve for x
    x = 320,930,757,505.75/646,301.64
  6. Step 6: Final answer
    x = 496,564.97

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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.