Home / 976,484.93-1,464,017.65-408,028.75

Finding the Fourth Proportional to 976,484.93, 1,464,017.65 and 408,028.75

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Solution

The fourth proportional to 976,484.93, 1,464,017.65 and 408,028.75 is: 611,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,484.93 : 1,464,017.65 = 408,028.75 : x
  2. Step 2: Convert to fraction form
    976,484.93/1,464,017.65 = 408,028.75/x
  3. Step 3: Cross multiply
    976,484.93x = 1,464,017.65 × 408,028.75
  4. Step 4: Simplify right side
    976,484.93x = 597,361,291,707.44
  5. Step 5: Solve for x
    x = 597,361,291,707.44/976,484.93
  6. Step 6: Final answer
    x = 611,746.55

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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.