Home / 757,962.66-1,136,340.27-437,751.30

Finding the Fourth Proportional to 757,962.66, 1,136,340.27 and 437,751.30

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Solution

The fourth proportional to 757,962.66, 1,136,340.27 and 437,751.30 is: 656,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,962.66 : 1,136,340.27 = 437,751.30 : x
  2. Step 2: Convert to fraction form
    757,962.66/1,136,340.27 = 437,751.30/x
  3. Step 3: Cross multiply
    757,962.66x = 1,136,340.27 × 437,751.30
  4. Step 4: Simplify right side
    757,962.66x = 497,434,430,434.85
  5. Step 5: Solve for x
    x = 497,434,430,434.85/757,962.66
  6. Step 6: Final answer
    x = 656,278.28

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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.