Home / 896,648.61-1,237,337.85-488,741.48

Finding the Fourth Proportional to 896,648.61, 1,237,337.85 and 488,741.48

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Solution

The fourth proportional to 896,648.61, 1,237,337.85 and 488,741.48 is: 674,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,648.61 : 1,237,337.85 = 488,741.48 : x
  2. Step 2: Convert to fraction form
    896,648.61/1,237,337.85 = 488,741.48/x
  3. Step 3: Cross multiply
    896,648.61x = 1,237,337.85 × 488,741.48
  4. Step 4: Simplify right side
    896,648.61x = 604,738,332,069.02
  5. Step 5: Solve for x
    x = 604,738,332,069.02/896,648.61
  6. Step 6: Final answer
    x = 674,442.95

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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.