Home / 804,047.40-1,110,104.64-498,450.36

Finding the Fourth Proportional to 804,047.40, 1,110,104.64 and 498,450.36

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Solution

The fourth proportional to 804,047.40, 1,110,104.64 and 498,450.36 is: 688,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,047.40 : 1,110,104.64 = 498,450.36 : x
  2. Step 2: Convert to fraction form
    804,047.40/1,110,104.64 = 498,450.36/x
  3. Step 3: Cross multiply
    804,047.40x = 1,110,104.64 × 498,450.36
  4. Step 4: Simplify right side
    804,047.40x = 553,332,057,445.67
  5. Step 5: Solve for x
    x = 553,332,057,445.67/804,047.40
  6. Step 6: Final answer
    x = 688,183.38

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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.