Home / 912,862.94-1,369,418.96-380,259.41

Finding the Fourth Proportional to 912,862.94, 1,369,418.96 and 380,259.41

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Solution

The fourth proportional to 912,862.94, 1,369,418.96 and 380,259.41 is: 570,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,862.94 : 1,369,418.96 = 380,259.41 : x
  2. Step 2: Convert to fraction form
    912,862.94/1,369,418.96 = 380,259.41/x
  3. Step 3: Cross multiply
    912,862.94x = 1,369,418.96 × 380,259.41
  4. Step 4: Simplify right side
    912,862.94x = 520,734,443,871.12
  5. Step 5: Solve for x
    x = 520,734,443,871.12/912,862.94
  6. Step 6: Final answer
    x = 570,441.00

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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.