Home / 928,241.34-1,392,363.09-254,328.36

Finding the Fourth Proportional to 928,241.34, 1,392,363.09 and 254,328.36

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Solution

The fourth proportional to 928,241.34, 1,392,363.09 and 254,328.36 is: 381,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,241.34 : 1,392,363.09 = 254,328.36 : x
  2. Step 2: Convert to fraction form
    928,241.34/1,392,363.09 = 254,328.36/x
  3. Step 3: Cross multiply
    928,241.34x = 1,392,363.09 × 254,328.36
  4. Step 4: Simplify right side
    928,241.34x = 354,117,421,204.23
  5. Step 5: Solve for x
    x = 354,117,421,204.23/928,241.34
  6. Step 6: Final answer
    x = 381,492.84

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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.