Home / 709,838.94-1,063,060.99-409,408.74

Finding the Fourth Proportional to 709,838.94, 1,063,060.99 and 409,408.74

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Solution

The fourth proportional to 709,838.94, 1,063,060.99 and 409,408.74 is: 613,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,838.94 : 1,063,060.99 = 409,408.74 : x
  2. Step 2: Convert to fraction form
    709,838.94/1,063,060.99 = 409,408.74/x
  3. Step 3: Cross multiply
    709,838.94x = 1,063,060.99 × 409,408.74
  4. Step 4: Simplify right side
    709,838.94x = 435,226,460,459.05
  5. Step 5: Solve for x
    x = 435,226,460,459.05/709,838.94
  6. Step 6: Final answer
    x = 613,134.10

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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.