Home / 651,730.07-899,440.73-361,432.55

Finding the Fourth Proportional to 651,730.07, 899,440.73 and 361,432.55

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Solution

The fourth proportional to 651,730.07, 899,440.73 and 361,432.55 is: 498,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,730.07 : 899,440.73 = 361,432.55 : x
  2. Step 2: Convert to fraction form
    651,730.07/899,440.73 = 361,432.55/x
  3. Step 3: Cross multiply
    651,730.07x = 899,440.73 × 361,432.55
  4. Step 4: Simplify right side
    651,730.07x = 325,087,153,024.14
  5. Step 5: Solve for x
    x = 325,087,153,024.14/651,730.07
  6. Step 6: Final answer
    x = 498,806.44

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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.