Home / 922,056.48-1,382,752.22-389,618.78

Finding the Fourth Proportional to 922,056.48, 1,382,752.22 and 389,618.78

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Solution

The fourth proportional to 922,056.48, 1,382,752.22 and 389,618.78 is: 584,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,056.48 : 1,382,752.22 = 389,618.78 : x
  2. Step 2: Convert to fraction form
    922,056.48/1,382,752.22 = 389,618.78/x
  3. Step 3: Cross multiply
    922,056.48x = 1,382,752.22 × 389,618.78
  4. Step 4: Simplify right side
    922,056.48x = 538,746,224,136.84
  5. Step 5: Solve for x
    x = 538,746,224,136.84/922,056.48
  6. Step 6: Final answer
    x = 584,287.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.