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Finding the Fourth Proportional to 557,478.45, 832,004.87 and 503,670.15

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Solution

The fourth proportional to 557,478.45, 832,004.87 and 503,670.15 is: 751,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,478.45 : 832,004.87 = 503,670.15 : x
  2. Step 2: Convert to fraction form
    557,478.45/832,004.87 = 503,670.15/x
  3. Step 3: Cross multiply
    557,478.45x = 832,004.87 × 503,670.15
  4. Step 4: Simplify right side
    557,478.45x = 419,056,015,155.28
  5. Step 5: Solve for x
    x = 419,056,015,155.28/557,478.45
  6. Step 6: Final answer
    x = 751,699.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.