Home / 719,123.13-1,078,404.30-269,598.98

Finding the Fourth Proportional to 719,123.13, 1,078,404.30 and 269,598.98

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Solution

The fourth proportional to 719,123.13, 1,078,404.30 and 269,598.98 is: 404,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,123.13 : 1,078,404.30 = 269,598.98 : x
  2. Step 2: Convert to fraction form
    719,123.13/1,078,404.30 = 269,598.98/x
  3. Step 3: Cross multiply
    719,123.13x = 1,078,404.30 × 269,598.98
  4. Step 4: Simplify right side
    719,123.13x = 290,736,702,003.63
  5. Step 5: Solve for x
    x = 290,736,702,003.63/719,123.13
  6. Step 6: Final answer
    x = 404,293.35

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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.