Home / 668,006.56-1,002,354.36-313,056.64

Finding the Fourth Proportional to 668,006.56, 1,002,354.36 and 313,056.64

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Solution

The fourth proportional to 668,006.56, 1,002,354.36 and 313,056.64 is: 469,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,006.56 : 1,002,354.36 = 313,056.64 : x
  2. Step 2: Convert to fraction form
    668,006.56/1,002,354.36 = 313,056.64/x
  3. Step 3: Cross multiply
    668,006.56x = 1,002,354.36 × 313,056.64
  4. Step 4: Simplify right side
    668,006.56x = 313,793,688,030.95
  5. Step 5: Solve for x
    x = 313,793,688,030.95/668,006.56
  6. Step 6: Final answer
    x = 469,746.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.