Home / 761,361.59-1,142,186.57-305,988.21

Finding the Fourth Proportional to 761,361.59, 1,142,186.57 and 305,988.21

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Solution

The fourth proportional to 761,361.59, 1,142,186.57 and 305,988.21 is: 459,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,361.59 : 1,142,186.57 = 305,988.21 : x
  2. Step 2: Convert to fraction form
    761,361.59/1,142,186.57 = 305,988.21/x
  3. Step 3: Cross multiply
    761,361.59x = 1,142,186.57 × 305,988.21
  4. Step 4: Simplify right side
    761,361.59x = 349,495,624,040.34
  5. Step 5: Solve for x
    x = 349,495,624,040.34/761,361.59
  6. Step 6: Final answer
    x = 459,040.26

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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.