Home / 509,024.12-702,461.73-279,602.63

Finding the Fourth Proportional to 509,024.12, 702,461.73 and 279,602.63

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Solution

The fourth proportional to 509,024.12, 702,461.73 and 279,602.63 is: 385,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,024.12 : 702,461.73 = 279,602.63 : x
  2. Step 2: Convert to fraction form
    509,024.12/702,461.73 = 279,602.63/x
  3. Step 3: Cross multiply
    509,024.12x = 702,461.73 × 279,602.63
  4. Step 4: Simplify right side
    509,024.12x = 196,410,147,182.35
  5. Step 5: Solve for x
    x = 196,410,147,182.35/509,024.12
  6. Step 6: Final answer
    x = 385,856.27

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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.