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Finding the Fourth Proportional to 613,073.34, 919,599.28 and 275,875.34

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Solution

The fourth proportional to 613,073.34, 919,599.28 and 275,875.34 is: 413,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,073.34 : 919,599.28 = 275,875.34 : x
  2. Step 2: Convert to fraction form
    613,073.34/919,599.28 = 275,875.34/x
  3. Step 3: Cross multiply
    613,073.34x = 919,599.28 × 275,875.34
  4. Step 4: Simplify right side
    613,073.34x = 253,694,758,746.07
  5. Step 5: Solve for x
    x = 253,694,758,746.07/613,073.34
  6. Step 6: Final answer
    x = 413,808.17

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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.