Home / 909,618.86-1,364,565.18-293,917.61

Finding the Fourth Proportional to 909,618.86, 1,364,565.18 and 293,917.61

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Solution

The fourth proportional to 909,618.86, 1,364,565.18 and 293,917.61 is: 440,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,618.86 : 1,364,565.18 = 293,917.61 : x
  2. Step 2: Convert to fraction form
    909,618.86/1,364,565.18 = 293,917.61/x
  3. Step 3: Cross multiply
    909,618.86x = 1,364,565.18 × 293,917.61
  4. Step 4: Simplify right side
    909,618.86x = 401,069,736,394.82
  5. Step 5: Solve for x
    x = 401,069,736,394.82/909,618.86
  6. Step 6: Final answer
    x = 440,920.65

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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.