Home / 909,764.96-1,255,455.54-501,867.12

Finding the Fourth Proportional to 909,764.96, 1,255,455.54 and 501,867.12

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Solution

The fourth proportional to 909,764.96, 1,255,455.54 and 501,867.12 is: 692,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,764.96 : 1,255,455.54 = 501,867.12 : x
  2. Step 2: Convert to fraction form
    909,764.96/1,255,455.54 = 501,867.12/x
  3. Step 3: Cross multiply
    909,764.96x = 1,255,455.54 × 501,867.12
  4. Step 4: Simplify right side
    909,764.96x = 630,071,856,147.85
  5. Step 5: Solve for x
    x = 630,071,856,147.85/909,764.96
  6. Step 6: Final answer
    x = 692,565.53

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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.