Home / 814,830.64-1,220,474.76-498,330.16

Finding the Fourth Proportional to 814,830.64, 1,220,474.76 and 498,330.16

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Solution

The fourth proportional to 814,830.64, 1,220,474.76 and 498,330.16 is: 746,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,830.64 : 1,220,474.76 = 498,330.16 : x
  2. Step 2: Convert to fraction form
    814,830.64/1,220,474.76 = 498,330.16/x
  3. Step 3: Cross multiply
    814,830.64x = 1,220,474.76 × 498,330.16
  4. Step 4: Simplify right side
    814,830.64x = 608,199,382,426.76
  5. Step 5: Solve for x
    x = 608,199,382,426.76/814,830.64
  6. Step 6: Final answer
    x = 746,412.02

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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.