Home / 379,601.04-523,828.98-209,825.04

Finding the Fourth Proportional to 379,601.04, 523,828.98 and 209,825.04

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Solution

The fourth proportional to 379,601.04, 523,828.98 and 209,825.04 is: 289,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,601.04 : 523,828.98 = 209,825.04 : x
  2. Step 2: Convert to fraction form
    379,601.04/523,828.98 = 209,825.04/x
  3. Step 3: Cross multiply
    379,601.04x = 523,828.98 × 209,825.04
  4. Step 4: Simplify right side
    379,601.04x = 109,912,436,681.66
  5. Step 5: Solve for x
    x = 109,912,436,681.66/379,601.04
  6. Step 6: Final answer
    x = 289,547.25

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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.