Home / 804,985.77-1,110,905.36-442,403.04

Finding the Fourth Proportional to 804,985.77, 1,110,905.36 and 442,403.04

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Solution

The fourth proportional to 804,985.77, 1,110,905.36 and 442,403.04 is: 610,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,985.77 : 1,110,905.36 = 442,403.04 : x
  2. Step 2: Convert to fraction form
    804,985.77/1,110,905.36 = 442,403.04/x
  3. Step 3: Cross multiply
    804,985.77x = 1,110,905.36 × 442,403.04
  4. Step 4: Simplify right side
    804,985.77x = 491,467,908,416.29
  5. Step 5: Solve for x
    x = 491,467,908,416.29/804,985.77
  6. Step 6: Final answer
    x = 610,529.93

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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.