Home / 710,241.90-979,890.69-404,241.64

Finding the Fourth Proportional to 710,241.90, 979,890.69 and 404,241.64

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Solution

The fourth proportional to 710,241.90, 979,890.69 and 404,241.64 is: 557,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,241.90 : 979,890.69 = 404,241.64 : x
  2. Step 2: Convert to fraction form
    710,241.90/979,890.69 = 404,241.64/x
  3. Step 3: Cross multiply
    710,241.90x = 979,890.69 × 404,241.64
  4. Step 4: Simplify right side
    710,241.90x = 396,112,614,646.88
  5. Step 5: Solve for x
    x = 396,112,614,646.88/710,241.90
  6. Step 6: Final answer
    x = 557,715.08

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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.