Home / 926,658.20-1,388,237.70-475,844.60

Finding the Fourth Proportional to 926,658.20, 1,388,237.70 and 475,844.60

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Solution

The fourth proportional to 926,658.20, 1,388,237.70 and 475,844.60 is: 712,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,658.20 : 1,388,237.70 = 475,844.60 : x
  2. Step 2: Convert to fraction form
    926,658.20/1,388,237.70 = 475,844.60/x
  3. Step 3: Cross multiply
    926,658.20x = 1,388,237.70 × 475,844.60
  4. Step 4: Simplify right side
    926,658.20x = 660,585,413,061.42
  5. Step 5: Solve for x
    x = 660,585,413,061.42/926,658.20
  6. Step 6: Final answer
    x = 712,868.47

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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.