Home / 955,011.31-1,432,361.23-280,934.93

Finding the Fourth Proportional to 955,011.31, 1,432,361.23 and 280,934.93

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Solution

The fourth proportional to 955,011.31, 1,432,361.23 and 280,934.93 is: 421,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,011.31 : 1,432,361.23 = 280,934.93 : x
  2. Step 2: Convert to fraction form
    955,011.31/1,432,361.23 = 280,934.93/x
  3. Step 3: Cross multiply
    955,011.31x = 1,432,361.23 × 280,934.93
  4. Step 4: Simplify right side
    955,011.31x = 402,400,301,884.76
  5. Step 5: Solve for x
    x = 402,400,301,884.76/955,011.31
  6. Step 6: Final answer
    x = 421,356.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.