Home / 897,099.12-1,238,006.04-494,705.52

Finding the Fourth Proportional to 897,099.12, 1,238,006.04 and 494,705.52

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Solution

The fourth proportional to 897,099.12, 1,238,006.04 and 494,705.52 is: 682,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,099.12 : 1,238,006.04 = 494,705.52 : x
  2. Step 2: Convert to fraction form
    897,099.12/1,238,006.04 = 494,705.52/x
  3. Step 3: Cross multiply
    897,099.12x = 1,238,006.04 × 494,705.52
  4. Step 4: Simplify right side
    897,099.12x = 612,448,421,781.34
  5. Step 5: Solve for x
    x = 612,448,421,781.34/897,099.12
  6. Step 6: Final answer
    x = 682,698.72

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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.