Home / 578,164.40-867,246.60-480,186.80

Finding the Fourth Proportional to 578,164.40, 867,246.60 and 480,186.80

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Solution

The fourth proportional to 578,164.40, 867,246.60 and 480,186.80 is: 720,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,164.40 : 867,246.60 = 480,186.80 : x
  2. Step 2: Convert to fraction form
    578,164.40/867,246.60 = 480,186.80/x
  3. Step 3: Cross multiply
    578,164.40x = 867,246.60 × 480,186.80
  4. Step 4: Simplify right side
    578,164.40x = 416,440,369,664.88
  5. Step 5: Solve for x
    x = 416,440,369,664.88/578,164.40
  6. Step 6: Final answer
    x = 720,280.20

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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.