Home / 804,040.80-1,110,095.60-498,443.80

Finding the Fourth Proportional to 804,040.80, 1,110,095.60 and 498,443.80

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Solution

The fourth proportional to 804,040.80, 1,110,095.60 and 498,443.80 is: 688,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,040.80 : 1,110,095.60 = 498,443.80 : x
  2. Step 2: Convert to fraction form
    804,040.80/1,110,095.60 = 498,443.80/x
  3. Step 3: Cross multiply
    804,040.80x = 1,110,095.60 × 498,443.80
  4. Step 4: Simplify right side
    804,040.80x = 553,320,269,227.28
  5. Step 5: Solve for x
    x = 553,320,269,227.28/804,040.80
  6. Step 6: Final answer
    x = 688,174.37

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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.