Home / 578,312.20-867,209.10-262,606.60

Finding the Fourth Proportional to 578,312.20, 867,209.10 and 262,606.60

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Solution

The fourth proportional to 578,312.20, 867,209.10 and 262,606.60 is: 393,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,312.20 : 867,209.10 = 262,606.60 : x
  2. Step 2: Convert to fraction form
    578,312.20/867,209.10 = 262,606.60/x
  3. Step 3: Cross multiply
    578,312.20x = 867,209.10 × 262,606.60
  4. Step 4: Simplify right side
    578,312.20x = 227,734,833,240.06
  5. Step 5: Solve for x
    x = 227,734,833,240.06/578,312.20
  6. Step 6: Final answer
    x = 393,792.20

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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.