Home / 873,862.20-1,311,302.70-368,392.20

Finding the Fourth Proportional to 873,862.20, 1,311,302.70 and 368,392.20

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Solution

The fourth proportional to 873,862.20, 1,311,302.70 and 368,392.20 is: 552,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,862.20 : 1,311,302.70 = 368,392.20 : x
  2. Step 2: Convert to fraction form
    873,862.20/1,311,302.70 = 368,392.20/x
  3. Step 3: Cross multiply
    873,862.20x = 1,311,302.70 × 368,392.20
  4. Step 4: Simplify right side
    873,862.20x = 483,073,686,518.94
  5. Step 5: Solve for x
    x = 483,073,686,518.94/873,862.20
  6. Step 6: Final answer
    x = 552,803.05

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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.