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Finding the Fourth Proportional to 609,570.62, 841,618.49 and 380,476.89

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Solution

The fourth proportional to 609,570.62, 841,618.49 and 380,476.89 is: 525,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,570.62 : 841,618.49 = 380,476.89 : x
  2. Step 2: Convert to fraction form
    609,570.62/841,618.49 = 380,476.89/x
  3. Step 3: Cross multiply
    609,570.62x = 841,618.49 × 380,476.89
  4. Step 4: Simplify right side
    609,570.62x = 320,216,383,739.31
  5. Step 5: Solve for x
    x = 320,216,383,739.31/609,570.62
  6. Step 6: Final answer
    x = 525,314.67

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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.