Home / 803,471.58-1,108,787.76-440,901.54

Finding the Fourth Proportional to 803,471.58, 1,108,787.76 and 440,901.54

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Solution

The fourth proportional to 803,471.58, 1,108,787.76 and 440,901.54 is: 608,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,471.58 : 1,108,787.76 = 440,901.54 : x
  2. Step 2: Convert to fraction form
    803,471.58/1,108,787.76 = 440,901.54/x
  3. Step 3: Cross multiply
    803,471.58x = 1,108,787.76 × 440,901.54
  4. Step 4: Simplify right side
    803,471.58x = 488,866,230,917.15
  5. Step 5: Solve for x
    x = 488,866,230,917.15/803,471.58
  6. Step 6: Final answer
    x = 608,442.47

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1.5x scale

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.