Home / 897,267.72-1,238,194.98-494,859.72

Finding the Fourth Proportional to 897,267.72, 1,238,194.98 and 494,859.72

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Solution

The fourth proportional to 897,267.72, 1,238,194.98 and 494,859.72 is: 682,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,267.72 : 1,238,194.98 = 494,859.72 : x
  2. Step 2: Convert to fraction form
    897,267.72/1,238,194.98 = 494,859.72/x
  3. Step 3: Cross multiply
    897,267.72x = 1,238,194.98 × 494,859.72
  4. Step 4: Simplify right side
    897,267.72x = 612,732,821,108.21
  5. Step 5: Solve for x
    x = 612,732,821,108.21/897,267.72
  6. Step 6: Final answer
    x = 682,887.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.