Home / 578,256.40-867,384.60-368,045.20

Finding the Fourth Proportional to 578,256.40, 867,384.60 and 368,045.20

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Solution

The fourth proportional to 578,256.40, 867,384.60 and 368,045.20 is: 552,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,256.40 : 867,384.60 = 368,045.20 : x
  2. Step 2: Convert to fraction form
    578,256.40/867,384.60 = 368,045.20/x
  3. Step 3: Cross multiply
    578,256.40x = 867,384.60 × 368,045.20
  4. Step 4: Simplify right side
    578,256.40x = 319,236,738,583.92
  5. Step 5: Solve for x
    x = 319,236,738,583.92/578,256.40
  6. Step 6: Final answer
    x = 552,067.80

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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.