Home / 770,214.83-1,062,814.66-425,996.06

Finding the Fourth Proportional to 770,214.83, 1,062,814.66 and 425,996.06

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Solution

The fourth proportional to 770,214.83, 1,062,814.66 and 425,996.06 is: 587,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,214.83 : 1,062,814.66 = 425,996.06 : x
  2. Step 2: Convert to fraction form
    770,214.83/1,062,814.66 = 425,996.06/x
  3. Step 3: Cross multiply
    770,214.83x = 1,062,814.66 × 425,996.06
  4. Step 4: Simplify right side
    770,214.83x = 452,754,851,291.18
  5. Step 5: Solve for x
    x = 452,754,851,291.18/770,214.83
  6. Step 6: Final answer
    x = 587,829.31

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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.