Home / 470,647.18-649,498.13-255,787.26

Finding the Fourth Proportional to 470,647.18, 649,498.13 and 255,787.26

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Solution

The fourth proportional to 470,647.18, 649,498.13 and 255,787.26 is: 352,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,647.18 : 649,498.13 = 255,787.26 : x
  2. Step 2: Convert to fraction form
    470,647.18/649,498.13 = 255,787.26/x
  3. Step 3: Cross multiply
    470,647.18x = 649,498.13 × 255,787.26
  4. Step 4: Simplify right side
    470,647.18x = 166,133,347,047.82
  5. Step 5: Solve for x
    x = 166,133,347,047.82/470,647.18
  6. Step 6: Final answer
    x = 352,989.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.