Home / 950,830.64-1,312,156.56-521,101.52

Finding the Fourth Proportional to 950,830.64, 1,312,156.56 and 521,101.52

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Solution

The fourth proportional to 950,830.64, 1,312,156.56 and 521,101.52 is: 719,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,830.64 : 1,312,156.56 = 521,101.52 : x
  2. Step 2: Convert to fraction form
    950,830.64/1,312,156.56 = 521,101.52/x
  3. Step 3: Cross multiply
    950,830.64x = 1,312,156.56 × 521,101.52
  4. Step 4: Simplify right side
    950,830.64x = 683,766,777,893.97
  5. Step 5: Solve for x
    x = 683,766,777,893.97/950,830.64
  6. Step 6: Final answer
    x = 719,125.73

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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.