Home / 758,409.60-1,046,563.20-471,920.64

Finding the Fourth Proportional to 758,409.60, 1,046,563.20 and 471,920.64

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Solution

The fourth proportional to 758,409.60, 1,046,563.20 and 471,920.64 is: 651,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,409.60 : 1,046,563.20 = 471,920.64 : x
  2. Step 2: Convert to fraction form
    758,409.60/1,046,563.20 = 471,920.64/x
  3. Step 3: Cross multiply
    758,409.60x = 1,046,563.20 × 471,920.64
  4. Step 4: Simplify right side
    758,409.60x = 493,894,775,144.45
  5. Step 5: Solve for x
    x = 493,894,775,144.45/758,409.60
  6. Step 6: Final answer
    x = 651,224.32

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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.