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Finding the Fourth Proportional to 503,848.89, 695,323.85 and 310,184.51

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Solution

The fourth proportional to 503,848.89, 695,323.85 and 310,184.51 is: 428,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,848.89 : 695,323.85 = 310,184.51 : x
  2. Step 2: Convert to fraction form
    503,848.89/695,323.85 = 310,184.51/x
  3. Step 3: Cross multiply
    503,848.89x = 695,323.85 × 310,184.51
  4. Step 4: Simplify right side
    503,848.89x = 215,678,682,676.02
  5. Step 5: Solve for x
    x = 215,678,682,676.02/503,848.89
  6. Step 6: Final answer
    x = 428,062.24

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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.