Home / 928,260.80-1,392,488.40-395,838.08

Finding the Fourth Proportional to 928,260.80, 1,392,488.40 and 395,838.08

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Solution

The fourth proportional to 928,260.80, 1,392,488.40 and 395,838.08 is: 593,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,260.80 : 1,392,488.40 = 395,838.08 : x
  2. Step 2: Convert to fraction form
    928,260.80/1,392,488.40 = 395,838.08/x
  3. Step 3: Cross multiply
    928,260.80x = 1,392,488.40 × 395,838.08
  4. Step 4: Simplify right side
    928,260.80x = 551,199,934,678.27
  5. Step 5: Solve for x
    x = 551,199,934,678.27/928,260.80
  6. Step 6: Final answer
    x = 593,798.57

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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.