Home / 804,043.40-1,110,099.12-498,446.36

Finding the Fourth Proportional to 804,043.40, 1,110,099.12 and 498,446.36

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Solution

The fourth proportional to 804,043.40, 1,110,099.12 and 498,446.36 is: 688,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,043.40 : 1,110,099.12 = 498,446.36 : x
  2. Step 2: Convert to fraction form
    804,043.40/1,110,099.12 = 498,446.36/x
  3. Step 3: Cross multiply
    804,043.40x = 1,110,099.12 × 498,446.36
  4. Step 4: Simplify right side
    804,043.40x = 553,324,865,603.20
  5. Step 5: Solve for x
    x = 553,324,865,603.20/804,043.40
  6. Step 6: Final answer
    x = 688,177.86

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1.5x scale

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.