Home / 814,828.64-1,220,471.76-498,328.16

Finding the Fourth Proportional to 814,828.64, 1,220,471.76 and 498,328.16

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Solution

The fourth proportional to 814,828.64, 1,220,471.76 and 498,328.16 is: 746,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,828.64 : 1,220,471.76 = 498,328.16 : x
  2. Step 2: Convert to fraction form
    814,828.64/1,220,471.76 = 498,328.16/x
  3. Step 3: Cross multiply
    814,828.64x = 1,220,471.76 × 498,328.16
  4. Step 4: Simplify right side
    814,828.64x = 608,195,446,492.76
  5. Step 5: Solve for x
    x = 608,195,446,492.76/814,828.64
  6. Step 6: Final answer
    x = 746,409.02

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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.