Home / 672,230.60-1,009,512.30-357,302.60

Finding the Fourth Proportional to 672,230.60, 1,009,512.30 and 357,302.60

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Solution

The fourth proportional to 672,230.60, 1,009,512.30 and 357,302.60 is: 536,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,230.60 : 1,009,512.30 = 357,302.60 : x
  2. Step 2: Convert to fraction form
    672,230.60/1,009,512.30 = 357,302.60/x
  3. Step 3: Cross multiply
    672,230.60x = 1,009,512.30 × 357,302.60
  4. Step 4: Simplify right side
    672,230.60x = 360,701,369,521.98
  5. Step 5: Solve for x
    x = 360,701,369,521.98/672,230.60
  6. Step 6: Final answer
    x = 536,573.86

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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.