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Finding the Fourth Proportional to 655,237.74, 904,507.09 and 440,502.36

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Solution

The fourth proportional to 655,237.74, 904,507.09 and 440,502.36 is: 608,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,237.74 : 904,507.09 = 440,502.36 : x
  2. Step 2: Convert to fraction form
    655,237.74/904,507.09 = 440,502.36/x
  3. Step 3: Cross multiply
    655,237.74x = 904,507.09 × 440,502.36
  4. Step 4: Simplify right side
    655,237.74x = 398,437,509,202.37
  5. Step 5: Solve for x
    x = 398,437,509,202.37/655,237.74
  6. Step 6: Final answer
    x = 608,080.83

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1.5x scale

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.