Home / 885,372.25-1,221,777.62-522,913.45

Finding the Fourth Proportional to 885,372.25, 1,221,777.62 and 522,913.45

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Solution

The fourth proportional to 885,372.25, 1,221,777.62 and 522,913.45 is: 721,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,372.25 : 1,221,777.62 = 522,913.45 : x
  2. Step 2: Convert to fraction form
    885,372.25/1,221,777.62 = 522,913.45/x
  3. Step 3: Cross multiply
    885,372.25x = 1,221,777.62 × 522,913.45
  4. Step 4: Simplify right side
    885,372.25x = 638,883,950,406.99
  5. Step 5: Solve for x
    x = 638,883,950,406.99/885,372.25
  6. Step 6: Final answer
    x = 721,599.25

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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.