Home / 804,807.34-1,110,633.79-442,254.58

Finding the Fourth Proportional to 804,807.34, 1,110,633.79 and 442,254.58

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Solution

The fourth proportional to 804,807.34, 1,110,633.79 and 442,254.58 is: 610,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,807.34 : 1,110,633.79 = 442,254.58 : x
  2. Step 2: Convert to fraction form
    804,807.34/1,110,633.79 = 442,254.58/x
  3. Step 3: Cross multiply
    804,807.34x = 1,110,633.79 × 442,254.58
  4. Step 4: Simplify right side
    804,807.34x = 491,182,880,330.26
  5. Step 5: Solve for x
    x = 491,182,880,330.26/804,807.34
  6. Step 6: Final answer
    x = 610,311.13

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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.