Home / 804,039.40-1,110,093.60-498,442.36

Finding the Fourth Proportional to 804,039.40, 1,110,093.60 and 498,442.36

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Solution

The fourth proportional to 804,039.40, 1,110,093.60 and 498,442.36 is: 688,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,039.40 : 1,110,093.60 = 498,442.36 : x
  2. Step 2: Convert to fraction form
    804,039.40/1,110,093.60 = 498,442.36/x
  3. Step 3: Cross multiply
    804,039.40x = 1,110,093.60 × 498,442.36
  4. Step 4: Simplify right side
    804,039.40x = 553,317,673,804.90
  5. Step 5: Solve for x
    x = 553,317,673,804.90/804,039.40
  6. Step 6: Final answer
    x = 688,172.34

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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.