Home / 747,889.32-1,031,973.35-421,185.14

Finding the Fourth Proportional to 747,889.32, 1,031,973.35 and 421,185.14

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Solution

The fourth proportional to 747,889.32, 1,031,973.35 and 421,185.14 is: 581,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,889.32 : 1,031,973.35 = 421,185.14 : x
  2. Step 2: Convert to fraction form
    747,889.32/1,031,973.35 = 421,185.14/x
  3. Step 3: Cross multiply
    747,889.32x = 1,031,973.35 × 421,185.14
  4. Step 4: Simplify right side
    747,889.32x = 434,651,832,630.23
  5. Step 5: Solve for x
    x = 434,651,832,630.23/747,889.32
  6. Step 6: Final answer
    x = 581,171.33

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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.