Home / 896,893.43-1,237,712.56-488,995.61

Finding the Fourth Proportional to 896,893.43, 1,237,712.56 and 488,995.61

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Solution

The fourth proportional to 896,893.43, 1,237,712.56 and 488,995.61 is: 674,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,893.43 : 1,237,712.56 = 488,995.61 : x
  2. Step 2: Convert to fraction form
    896,893.43/1,237,712.56 = 488,995.61/x
  3. Step 3: Cross multiply
    896,893.43x = 1,237,712.56 × 488,995.61
  4. Step 4: Simplify right side
    896,893.43x = 605,236,000,870.81
  5. Step 5: Solve for x
    x = 605,236,000,870.81/896,893.43
  6. Step 6: Final answer
    x = 674,813.73

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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.