Home / 885,045.60-1,221,048-522,287.94

Finding the Fourth Proportional to 885,045.60, 1,221,048 and 522,287.94

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Solution

The fourth proportional to 885,045.60, 1,221,048 and 522,287.94 is: 720,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,045.60 : 1,221,048 = 522,287.94 : x
  2. Step 2: Convert to fraction form
    885,045.60/1,221,048 = 522,287.94/x
  3. Step 3: Cross multiply
    885,045.60x = 1,221,048 × 522,287.94
  4. Step 4: Simplify right side
    885,045.60x = 637,738,644,561.12
  5. Step 5: Solve for x
    x = 637,738,644,561.12/885,045.60
  6. Step 6: Final answer
    x = 720,571.51

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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.