Home / 758,961.05-1,047,512.43-487,372.10

Finding the Fourth Proportional to 758,961.05, 1,047,512.43 and 487,372.10

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Solution

The fourth proportional to 758,961.05, 1,047,512.43 and 487,372.10 is: 672,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,961.05 : 1,047,512.43 = 487,372.10 : x
  2. Step 2: Convert to fraction form
    758,961.05/1,047,512.43 = 487,372.10/x
  3. Step 3: Cross multiply
    758,961.05x = 1,047,512.43 × 487,372.10
  4. Step 4: Simplify right side
    758,961.05x = 510,528,327,547.64
  5. Step 5: Solve for x
    x = 510,528,327,547.64/758,961.05
  6. Step 6: Final answer
    x = 672,667.37

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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.