Home / 803,135.18-1,108,173.02-459,080.12

Finding the Fourth Proportional to 803,135.18, 1,108,173.02 and 459,080.12

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Solution

The fourth proportional to 803,135.18, 1,108,173.02 and 459,080.12 is: 633,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,135.18 : 1,108,173.02 = 459,080.12 : x
  2. Step 2: Convert to fraction form
    803,135.18/1,108,173.02 = 459,080.12/x
  3. Step 3: Cross multiply
    803,135.18x = 1,108,173.02 × 459,080.12
  4. Step 4: Simplify right side
    803,135.18x = 508,740,203,477.39
  5. Step 5: Solve for x
    x = 508,740,203,477.39/803,135.18
  6. Step 6: Final answer
    x = 633,442.81

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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.