Home / 578,456.40-867,320.10-241,731.30

Finding the Fourth Proportional to 578,456.40, 867,320.10 and 241,731.30

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Solution

The fourth proportional to 578,456.40, 867,320.10 and 241,731.30 is: 362,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,456.40 : 867,320.10 = 241,731.30 : x
  2. Step 2: Convert to fraction form
    578,456.40/867,320.10 = 241,731.30/x
  3. Step 3: Cross multiply
    578,456.40x = 867,320.10 × 241,731.30
  4. Step 4: Simplify right side
    578,456.40x = 209,658,415,289.13
  5. Step 5: Solve for x
    x = 209,658,415,289.13/578,456.40
  6. Step 6: Final answer
    x = 362,444.63

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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.