Home / 672,440.60-1,009,827.30-357,512.60

Finding the Fourth Proportional to 672,440.60, 1,009,827.30 and 357,512.60

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Solution

The fourth proportional to 672,440.60, 1,009,827.30 and 357,512.60 is: 536,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,440.60 : 1,009,827.30 = 357,512.60 : x
  2. Step 2: Convert to fraction form
    672,440.60/1,009,827.30 = 357,512.60/x
  3. Step 3: Cross multiply
    672,440.60x = 1,009,827.30 × 357,512.60
  4. Step 4: Simplify right side
    672,440.60x = 361,025,983,573.98
  5. Step 5: Solve for x
    x = 361,025,983,573.98/672,440.60
  6. Step 6: Final answer
    x = 536,889.03

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1.5x scale

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.