Home / 578,146.04-867,220.02-379,719.80

Finding the Fourth Proportional to 578,146.04, 867,220.02 and 379,719.80

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Solution

The fourth proportional to 578,146.04, 867,220.02 and 379,719.80 is: 569,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,146.04 : 867,220.02 = 379,719.80 : x
  2. Step 2: Convert to fraction form
    578,146.04/867,220.02 = 379,719.80/x
  3. Step 3: Cross multiply
    578,146.04x = 867,220.02 × 379,719.80
  4. Step 4: Simplify right side
    578,146.04x = 329,300,612,550.40
  5. Step 5: Solve for x
    x = 329,300,612,550.40/578,146.04
  6. Step 6: Final answer
    x = 569,580.33

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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.