Home / 739,898.20-1,109,847.30-424,095.40

Finding the Fourth Proportional to 739,898.20, 1,109,847.30 and 424,095.40

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Solution

The fourth proportional to 739,898.20, 1,109,847.30 and 424,095.40 is: 636,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,898.20 : 1,109,847.30 = 424,095.40 : x
  2. Step 2: Convert to fraction form
    739,898.20/1,109,847.30 = 424,095.40/x
  3. Step 3: Cross multiply
    739,898.20x = 1,109,847.30 × 424,095.40
  4. Step 4: Simplify right side
    739,898.20x = 470,681,134,632.42
  5. Step 5: Solve for x
    x = 470,681,134,632.42/739,898.20
  6. Step 6: Final answer
    x = 636,143.10

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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.