Home / 727,491.48-1,003,988.72-441,023.64

Finding the Fourth Proportional to 727,491.48, 1,003,988.72 and 441,023.64

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Solution

The fourth proportional to 727,491.48, 1,003,988.72 and 441,023.64 is: 608,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,491.48 : 1,003,988.72 = 441,023.64 : x
  2. Step 2: Convert to fraction form
    727,491.48/1,003,988.72 = 441,023.64/x
  3. Step 3: Cross multiply
    727,491.48x = 1,003,988.72 × 441,023.64
  4. Step 4: Simplify right side
    727,491.48x = 442,782,759,813.34
  5. Step 5: Solve for x
    x = 442,782,759,813.34/727,491.48
  6. Step 6: Final answer
    x = 608,643.22

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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.