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Finding the Fourth Proportional to 560,739, 841,108.42 and 309,616.22

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Solution

The fourth proportional to 560,739, 841,108.42 and 309,616.22 is: 464,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,739 : 841,108.42 = 309,616.22 : x
  2. Step 2: Convert to fraction form
    560,739/841,108.42 = 309,616.22/x
  3. Step 3: Cross multiply
    560,739x = 841,108.42 × 309,616.22
  4. Step 4: Simplify right side
    560,739x = 260,420,809,610.57
  5. Step 5: Solve for x
    x = 260,420,809,610.57/560,739
  6. Step 6: Final answer
    x = 464,424.29

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1.5x scale

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.