Home / 739,955.20-1,109,932.80-629,730.40

Finding the Fourth Proportional to 739,955.20, 1,109,932.80 and 629,730.40

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Solution

The fourth proportional to 739,955.20, 1,109,932.80 and 629,730.40 is: 944,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,955.20 : 1,109,932.80 = 629,730.40 : x
  2. Step 2: Convert to fraction form
    739,955.20/1,109,932.80 = 629,730.40/x
  3. Step 3: Cross multiply
    739,955.20x = 1,109,932.80 × 629,730.40
  4. Step 4: Simplify right side
    739,955.20x = 698,958,426,117.12
  5. Step 5: Solve for x
    x = 698,958,426,117.12/739,955.20
  6. Step 6: Final answer
    x = 944,595.60

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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.