Home / 692,582.20-1,038,905.70-219,304.60

Finding the Fourth Proportional to 692,582.20, 1,038,905.70 and 219,304.60

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Solution

The fourth proportional to 692,582.20, 1,038,905.70 and 219,304.60 is: 328,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,582.20 : 1,038,905.70 = 219,304.60 : x
  2. Step 2: Convert to fraction form
    692,582.20/1,038,905.70 = 219,304.60/x
  3. Step 3: Cross multiply
    692,582.20x = 1,038,905.70 × 219,304.60
  4. Step 4: Simplify right side
    692,582.20x = 227,836,798,976.22
  5. Step 5: Solve for x
    x = 227,836,798,976.22/692,582.20
  6. Step 6: Final answer
    x = 328,967.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.