Home / 450,582.84-621,762.18-269,258.76

Finding the Fourth Proportional to 450,582.84, 621,762.18 and 269,258.76

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Solution

The fourth proportional to 450,582.84, 621,762.18 and 269,258.76 is: 371,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,582.84 : 621,762.18 = 269,258.76 : x
  2. Step 2: Convert to fraction form
    450,582.84/621,762.18 = 269,258.76/x
  3. Step 3: Cross multiply
    450,582.84x = 621,762.18 × 269,258.76
  4. Step 4: Simplify right side
    450,582.84x = 167,414,913,601.70
  5. Step 5: Solve for x
    x = 167,414,913,601.70/450,582.84
  6. Step 6: Final answer
    x = 371,551.91

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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.