Home / 661,744.20-993,026.70-346,427.40

Finding the Fourth Proportional to 661,744.20, 993,026.70 and 346,427.40

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Solution

The fourth proportional to 661,744.20, 993,026.70 and 346,427.40 is: 519,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,744.20 : 993,026.70 = 346,427.40 : x
  2. Step 2: Convert to fraction form
    661,744.20/993,026.70 = 346,427.40/x
  3. Step 3: Cross multiply
    661,744.20x = 993,026.70 × 346,427.40
  4. Step 4: Simplify right side
    661,744.20x = 344,011,657,811.58
  5. Step 5: Solve for x
    x = 344,011,657,811.58/661,744.20
  6. Step 6: Final answer
    x = 519,855.95

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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.