Home / 578,040.20-867,060.30-554,420.60

Finding the Fourth Proportional to 578,040.20, 867,060.30 and 554,420.60

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Solution

The fourth proportional to 578,040.20, 867,060.30 and 554,420.60 is: 831,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,040.20 : 867,060.30 = 554,420.60 : x
  2. Step 2: Convert to fraction form
    578,040.20/867,060.30 = 554,420.60/x
  3. Step 3: Cross multiply
    578,040.20x = 867,060.30 × 554,420.60
  4. Step 4: Simplify right side
    578,040.20x = 480,716,091,762.18
  5. Step 5: Solve for x
    x = 480,716,091,762.18/578,040.20
  6. Step 6: Final answer
    x = 831,630.90

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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.