Home / 762,051.03-1,051,660.74-417,899.30

Finding the Fourth Proportional to 762,051.03, 1,051,660.74 and 417,899.30

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Solution

The fourth proportional to 762,051.03, 1,051,660.74 and 417,899.30 is: 576,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,051.03 : 1,051,660.74 = 417,899.30 : x
  2. Step 2: Convert to fraction form
    762,051.03/1,051,660.74 = 417,899.30/x
  3. Step 3: Cross multiply
    762,051.03x = 1,051,660.74 × 417,899.30
  4. Step 4: Simplify right side
    762,051.03x = 439,488,285,768.91
  5. Step 5: Solve for x
    x = 439,488,285,768.91/762,051.03
  6. Step 6: Final answer
    x = 576,717.66

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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.