Home / 896,820.60-1,237,574.70-488,913.72

Finding the Fourth Proportional to 896,820.60, 1,237,574.70 and 488,913.72

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Solution

The fourth proportional to 896,820.60, 1,237,574.70 and 488,913.72 is: 674,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,820.60 : 1,237,574.70 = 488,913.72 : x
  2. Step 2: Convert to fraction form
    896,820.60/1,237,574.70 = 488,913.72/x
  3. Step 3: Cross multiply
    896,820.60x = 1,237,574.70 × 488,913.72
  4. Step 4: Simplify right side
    896,820.60x = 605,067,250,354.88
  5. Step 5: Solve for x
    x = 605,067,250,354.88/896,820.60
  6. Step 6: Final answer
    x = 674,680.37

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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.