Home / 803,065.52-1,108,261.44-440,504.66

Finding the Fourth Proportional to 803,065.52, 1,108,261.44 and 440,504.66

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Solution

The fourth proportional to 803,065.52, 1,108,261.44 and 440,504.66 is: 607,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,065.52 : 1,108,261.44 = 440,504.66 : x
  2. Step 2: Convert to fraction form
    803,065.52/1,108,261.44 = 440,504.66/x
  3. Step 3: Cross multiply
    803,065.52x = 1,108,261.44 × 440,504.66
  4. Step 4: Simplify right side
    803,065.52x = 488,194,331,588.96
  5. Step 5: Solve for x
    x = 488,194,331,588.96/803,065.52
  6. Step 6: Final answer
    x = 607,913.45

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Double scale
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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.