Home / 706,138.90-1,058,819.55-284,938.90

Finding the Fourth Proportional to 706,138.90, 1,058,819.55 and 284,938.90

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Solution

The fourth proportional to 706,138.90, 1,058,819.55 and 284,938.90 is: 427,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,138.90 : 1,058,819.55 = 284,938.90 : x
  2. Step 2: Convert to fraction form
    706,138.90/1,058,819.55 = 284,938.90/x
  3. Step 3: Cross multiply
    706,138.90x = 1,058,819.55 × 284,938.90
  4. Step 4: Simplify right side
    706,138.90x = 301,698,877,875.50
  5. Step 5: Solve for x
    x = 301,698,877,875.50/706,138.90
  6. Step 6: Final answer
    x = 427,251.46

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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.