Home / 800,315.20-1,104,582.72-514,192.96

Finding the Fourth Proportional to 800,315.20, 1,104,582.72 and 514,192.96

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Solution

The fourth proportional to 800,315.20, 1,104,582.72 and 514,192.96 is: 709,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,315.20 : 1,104,582.72 = 514,192.96 : x
  2. Step 2: Convert to fraction form
    800,315.20/1,104,582.72 = 514,192.96/x
  3. Step 3: Cross multiply
    800,315.20x = 1,104,582.72 × 514,192.96
  4. Step 4: Simplify right side
    800,315.20x = 567,968,658,361.65
  5. Step 5: Solve for x
    x = 567,968,658,361.65/800,315.20
  6. Step 6: Final answer
    x = 709,681.21

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1.5x scale

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.