Home / 748,415.78-1,032,814.76-426,126.03

Finding the Fourth Proportional to 748,415.78, 1,032,814.76 and 426,126.03

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Solution

The fourth proportional to 748,415.78, 1,032,814.76 and 426,126.03 is: 588,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,415.78 : 1,032,814.76 = 426,126.03 : x
  2. Step 2: Convert to fraction form
    748,415.78/1,032,814.76 = 426,126.03/x
  3. Step 3: Cross multiply
    748,415.78x = 1,032,814.76 × 426,126.03
  4. Step 4: Simplify right side
    748,415.78x = 440,109,253,404.20
  5. Step 5: Solve for x
    x = 440,109,253,404.20/748,415.78
  6. Step 6: Final answer
    x = 588,054.48

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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.