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Finding the Fourth Proportional to 497,475.72, 686,518.82 and 282,627.59

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Solution

The fourth proportional to 497,475.72, 686,518.82 and 282,627.59 is: 390,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,475.72 : 686,518.82 = 282,627.59 : x
  2. Step 2: Convert to fraction form
    497,475.72/686,518.82 = 282,627.59/x
  3. Step 3: Cross multiply
    497,475.72x = 686,518.82 × 282,627.59
  4. Step 4: Simplify right side
    497,475.72x = 194,029,154,740.51
  5. Step 5: Solve for x
    x = 194,029,154,740.51/497,475.72
  6. Step 6: Final answer
    x = 390,027.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.