Home / 805,270.01-1,111,293.84-442,703.01

Finding the Fourth Proportional to 805,270.01, 1,111,293.84 and 442,703.01

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Solution

The fourth proportional to 805,270.01, 1,111,293.84 and 442,703.01 is: 610,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,270.01 : 1,111,293.84 = 442,703.01 : x
  2. Step 2: Convert to fraction form
    805,270.01/1,111,293.84 = 442,703.01/x
  3. Step 3: Cross multiply
    805,270.01x = 1,111,293.84 × 442,703.01
  4. Step 4: Simplify right side
    805,270.01x = 491,973,127,962.46
  5. Step 5: Solve for x
    x = 491,973,127,962.46/805,270.01
  6. Step 6: Final answer
    x = 610,941.83

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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.