Home / 788,108.38-1,182,328.62-255,587.89

Finding the Fourth Proportional to 788,108.38, 1,182,328.62 and 255,587.89

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Solution

The fourth proportional to 788,108.38, 1,182,328.62 and 255,587.89 is: 383,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,108.38 : 1,182,328.62 = 255,587.89 : x
  2. Step 2: Convert to fraction form
    788,108.38/1,182,328.62 = 255,587.89/x
  3. Step 3: Cross multiply
    788,108.38x = 1,182,328.62 × 255,587.89
  4. Step 4: Simplify right side
    788,108.38x = 302,188,871,360.77
  5. Step 5: Solve for x
    x = 302,188,871,360.77/788,108.38
  6. Step 6: Final answer
    x = 383,435.68

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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.