Home / 976,488.93-1,464,023.66-408,032.78

Finding the Fourth Proportional to 976,488.93, 1,464,023.66 and 408,032.78

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Solution

The fourth proportional to 976,488.93, 1,464,023.66 and 408,032.78 is: 611,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,488.93 : 1,464,023.66 = 408,032.78 : x
  2. Step 2: Convert to fraction form
    976,488.93/1,464,023.66 = 408,032.78/x
  3. Step 3: Cross multiply
    976,488.93x = 1,464,023.66 × 408,032.78
  4. Step 4: Simplify right side
    976,488.93x = 597,369,634,615.29
  5. Step 5: Solve for x
    x = 597,369,634,615.29/976,488.93
  6. Step 6: Final answer
    x = 611,752.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.