Home / 803,005.59-1,108,178.73-440,444.73

Finding the Fourth Proportional to 803,005.59, 1,108,178.73 and 440,444.73

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Solution

The fourth proportional to 803,005.59, 1,108,178.73 and 440,444.73 is: 607,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,005.59 : 1,108,178.73 = 440,444.73 : x
  2. Step 2: Convert to fraction form
    803,005.59/1,108,178.73 = 440,444.73/x
  3. Step 3: Cross multiply
    803,005.59x = 1,108,178.73 × 440,444.73
  4. Step 4: Simplify right side
    803,005.59x = 488,091,481,526.59
  5. Step 5: Solve for x
    x = 488,091,481,526.59/803,005.59
  6. Step 6: Final answer
    x = 607,830.74

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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.