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Finding the Fourth Proportional to 609,583.69, 841,636.44 and 380,489.89

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Solution

The fourth proportional to 609,583.69, 841,636.44 and 380,489.89 is: 525,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,583.69 : 841,636.44 = 380,489.89 : x
  2. Step 2: Convert to fraction form
    609,583.69/841,636.44 = 380,489.89/x
  3. Step 3: Cross multiply
    609,583.69x = 841,636.44 × 380,489.89
  4. Step 4: Simplify right side
    609,583.69x = 320,234,156,475.59
  5. Step 5: Solve for x
    x = 320,234,156,475.59/609,583.69
  6. Step 6: Final answer
    x = 525,332.55

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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.