Home / 651,731.94-899,443.32-361,434.42

Finding the Fourth Proportional to 651,731.94, 899,443.32 and 361,434.42

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Solution

The fourth proportional to 651,731.94, 899,443.32 and 361,434.42 is: 498,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,731.94 : 899,443.32 = 361,434.42 : x
  2. Step 2: Convert to fraction form
    651,731.94/899,443.32 = 361,434.42/x
  3. Step 3: Cross multiply
    651,731.94x = 899,443.32 × 361,434.42
  4. Step 4: Simplify right side
    651,731.94x = 325,089,774,687.07
  5. Step 5: Solve for x
    x = 325,089,774,687.07/651,731.94
  6. Step 6: Final answer
    x = 498,809.03

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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.