Home / 897,395.38-1,238,319.57-494,961.46

Finding the Fourth Proportional to 897,395.38, 1,238,319.57 and 494,961.46

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Solution

The fourth proportional to 897,395.38, 1,238,319.57 and 494,961.46 is: 682,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,395.38 : 1,238,319.57 = 494,961.46 : x
  2. Step 2: Convert to fraction form
    897,395.38/1,238,319.57 = 494,961.46/x
  3. Step 3: Cross multiply
    897,395.38x = 1,238,319.57 × 494,961.46
  4. Step 4: Simplify right side
    897,395.38x = 612,920,462,313.77
  5. Step 5: Solve for x
    x = 612,920,462,313.77/897,395.38
  6. Step 6: Final answer
    x = 682,999.35

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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.