Home / 803,188.45-1,108,408.53-440,613.01

Finding the Fourth Proportional to 803,188.45, 1,108,408.53 and 440,613.01

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Solution

The fourth proportional to 803,188.45, 1,108,408.53 and 440,613.01 is: 608,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,188.45 : 1,108,408.53 = 440,613.01 : x
  2. Step 2: Convert to fraction form
    803,188.45/1,108,408.53 = 440,613.01/x
  3. Step 3: Cross multiply
    803,188.45x = 1,108,408.53 × 440,613.01
  4. Step 4: Simplify right side
    803,188.45x = 488,379,218,712.98
  5. Step 5: Solve for x
    x = 488,379,218,712.98/803,188.45
  6. Step 6: Final answer
    x = 608,050.60

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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.