Home / 685,308.60-1,025,630.10-601,327.80

Finding the Fourth Proportional to 685,308.60, 1,025,630.10 and 601,327.80

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Solution

The fourth proportional to 685,308.60, 1,025,630.10 and 601,327.80 is: 899,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,308.60 : 1,025,630.10 = 601,327.80 : x
  2. Step 2: Convert to fraction form
    685,308.60/1,025,630.10 = 601,327.80/x
  3. Step 3: Cross multiply
    685,308.60x = 1,025,630.10 × 601,327.80
  4. Step 4: Simplify right side
    685,308.60x = 616,739,891,646.78
  5. Step 5: Solve for x
    x = 616,739,891,646.78/685,308.60
  6. Step 6: Final answer
    x = 899,944.77

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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.