Home / 984,484.20-1,357,957.80-621,267.24

Finding the Fourth Proportional to 984,484.20, 1,357,957.80 and 621,267.24

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Solution

The fourth proportional to 984,484.20, 1,357,957.80 and 621,267.24 is: 856,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,484.20 : 1,357,957.80 = 621,267.24 : x
  2. Step 2: Convert to fraction form
    984,484.20/1,357,957.80 = 621,267.24/x
  3. Step 3: Cross multiply
    984,484.20x = 1,357,957.80 × 621,267.24
  4. Step 4: Simplify right side
    984,484.20x = 843,654,694,442.47
  5. Step 5: Solve for x
    x = 843,654,694,442.47/984,484.20
  6. Step 6: Final answer
    x = 856,950.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.