Home / 804,036.81-1,110,090.06-498,439.80

Finding the Fourth Proportional to 804,036.81, 1,110,090.06 and 498,439.80

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Solution

The fourth proportional to 804,036.81, 1,110,090.06 and 498,439.80 is: 688,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,036.81 : 1,110,090.06 = 498,439.80 : x
  2. Step 2: Convert to fraction form
    804,036.81/1,110,090.06 = 498,439.80/x
  3. Step 3: Cross multiply
    804,036.81x = 1,110,090.06 × 498,439.80
  4. Step 4: Simplify right side
    804,036.81x = 553,313,067,488.39
  5. Step 5: Solve for x
    x = 553,313,067,488.39/804,036.81
  6. Step 6: Final answer
    x = 688,168.83

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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.