Home / 873,904.20-1,311,365.70-368,434.20

Finding the Fourth Proportional to 873,904.20, 1,311,365.70 and 368,434.20

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Solution

The fourth proportional to 873,904.20, 1,311,365.70 and 368,434.20 is: 552,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,904.20 : 1,311,365.70 = 368,434.20 : x
  2. Step 2: Convert to fraction form
    873,904.20/1,311,365.70 = 368,434.20/x
  3. Step 3: Cross multiply
    873,904.20x = 1,311,365.70 × 368,434.20
  4. Step 4: Simplify right side
    873,904.20x = 483,151,972,586.94
  5. Step 5: Solve for x
    x = 483,151,972,586.94/873,904.20
  6. Step 6: Final answer
    x = 552,866.06

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1.5x scale

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.