Home / 766,606.98-1,057,938.64-427,075.22

Finding the Fourth Proportional to 766,606.98, 1,057,938.64 and 427,075.22

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Solution

The fourth proportional to 766,606.98, 1,057,938.64 and 427,075.22 is: 589,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,606.98 : 1,057,938.64 = 427,075.22 : x
  2. Step 2: Convert to fraction form
    766,606.98/1,057,938.64 = 427,075.22/x
  3. Step 3: Cross multiply
    766,606.98x = 1,057,938.64 × 427,075.22
  4. Step 4: Simplify right side
    766,606.98x = 451,819,377,424.50
  5. Step 5: Solve for x
    x = 451,819,377,424.50/766,606.98
  6. Step 6: Final answer
    x = 589,375.51

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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.