Home / 804,667.40-1,110,459.54-442,113.88

Finding the Fourth Proportional to 804,667.40, 1,110,459.54 and 442,113.88

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Solution

The fourth proportional to 804,667.40, 1,110,459.54 and 442,113.88 is: 610,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,667.40 : 1,110,459.54 = 442,113.88 : x
  2. Step 2: Convert to fraction form
    804,667.40/1,110,459.54 = 442,113.88/x
  3. Step 3: Cross multiply
    804,667.40x = 1,110,459.54 × 442,113.88
  4. Step 4: Simplify right side
    804,667.40x = 490,949,575,812.42
  5. Step 5: Solve for x
    x = 490,949,575,812.42/804,667.40
  6. Step 6: Final answer
    x = 610,127.33

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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.