Home / 868,032.60-1,302,048.90-299,412.60

Finding the Fourth Proportional to 868,032.60, 1,302,048.90 and 299,412.60

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Solution

The fourth proportional to 868,032.60, 1,302,048.90 and 299,412.60 is: 449,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,032.60 : 1,302,048.90 = 299,412.60 : x
  2. Step 2: Convert to fraction form
    868,032.60/1,302,048.90 = 299,412.60/x
  3. Step 3: Cross multiply
    868,032.60x = 1,302,048.90 × 299,412.60
  4. Step 4: Simplify right side
    868,032.60x = 389,849,846,476.14
  5. Step 5: Solve for x
    x = 389,849,846,476.14/868,032.60
  6. Step 6: Final answer
    x = 449,118.90

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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.