Home / 802,300.16-1,107,123.99-439,698.29

Finding the Fourth Proportional to 802,300.16, 1,107,123.99 and 439,698.29

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Solution

The fourth proportional to 802,300.16, 1,107,123.99 and 439,698.29 is: 606,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,300.16 : 1,107,123.99 = 439,698.29 : x
  2. Step 2: Convert to fraction form
    802,300.16/1,107,123.99 = 439,698.29/x
  3. Step 3: Cross multiply
    802,300.16x = 1,107,123.99 × 439,698.29
  4. Step 4: Simplify right side
    802,300.16x = 486,800,519,685.36
  5. Step 5: Solve for x
    x = 486,800,519,685.36/802,300.16
  6. Step 6: Final answer
    x = 606,756.11

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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.