Home / 535,830.40-804,667.20-379,158.40

Finding the Fourth Proportional to 535,830.40, 804,667.20 and 379,158.40

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Solution

The fourth proportional to 535,830.40, 804,667.20 and 379,158.40 is: 569,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,830.40 : 804,667.20 = 379,158.40 : x
  2. Step 2: Convert to fraction form
    535,830.40/804,667.20 = 379,158.40/x
  3. Step 3: Cross multiply
    535,830.40x = 804,667.20 × 379,158.40
  4. Step 4: Simplify right side
    535,830.40x = 305,096,328,084.48
  5. Step 5: Solve for x
    x = 305,096,328,084.48/535,830.40
  6. Step 6: Final answer
    x = 569,389.73

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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.