Home / 389,834.61-583,700.55-254,563.59

Finding the Fourth Proportional to 389,834.61, 583,700.55 and 254,563.59

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Solution

The fourth proportional to 389,834.61, 583,700.55 and 254,563.59 is: 381,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,834.61 : 583,700.55 = 254,563.59 : x
  2. Step 2: Convert to fraction form
    389,834.61/583,700.55 = 254,563.59/x
  3. Step 3: Cross multiply
    389,834.61x = 583,700.55 × 254,563.59
  4. Step 4: Simplify right side
    389,834.61x = 148,588,907,492.98
  5. Step 5: Solve for x
    x = 148,588,907,492.98/389,834.61
  6. Step 6: Final answer
    x = 381,158.84

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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.