Home / 896,407.48-1,237,042.54-488,509.44

Finding the Fourth Proportional to 896,407.48, 1,237,042.54 and 488,509.44

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Solution

The fourth proportional to 896,407.48, 1,237,042.54 and 488,509.44 is: 674,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,407.48 : 1,237,042.54 = 488,509.44 : x
  2. Step 2: Convert to fraction form
    896,407.48/1,237,042.54 = 488,509.44/x
  3. Step 3: Cross multiply
    896,407.48x = 1,237,042.54 × 488,509.44
  4. Step 4: Simplify right side
    896,407.48x = 604,306,958,471.58
  5. Step 5: Solve for x
    x = 604,306,958,471.58/896,407.48
  6. Step 6: Final answer
    x = 674,143.15

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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.