Home / 641,346.10-962,298.26-402,008.52

Finding the Fourth Proportional to 641,346.10, 962,298.26 and 402,008.52

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Solution

The fourth proportional to 641,346.10, 962,298.26 and 402,008.52 is: 603,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,346.10 : 962,298.26 = 402,008.52 : x
  2. Step 2: Convert to fraction form
    641,346.10/962,298.26 = 402,008.52/x
  3. Step 3: Cross multiply
    641,346.10x = 962,298.26 × 402,008.52
  4. Step 4: Simplify right side
    641,346.10x = 386,852,096,994.36
  5. Step 5: Solve for x
    x = 386,852,096,994.36/641,346.10
  6. Step 6: Final answer
    x = 603,187.73

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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.