Home / 950,374.62-1,425,774.69-319,271.22

Finding the Fourth Proportional to 950,374.62, 1,425,774.69 and 319,271.22

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Solution

The fourth proportional to 950,374.62, 1,425,774.69 and 319,271.22 is: 478,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,374.62 : 1,425,774.69 = 319,271.22 : x
  2. Step 2: Convert to fraction form
    950,374.62/1,425,774.69 = 319,271.22/x
  3. Step 3: Cross multiply
    950,374.62x = 1,425,774.69 × 319,271.22
  4. Step 4: Simplify right side
    950,374.62x = 455,208,824,721.42
  5. Step 5: Solve for x
    x = 455,208,824,721.42/950,374.62
  6. Step 6: Final answer
    x = 478,978.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.