Home / 685,239.60-1,029,025.80-507,946.80

Finding the Fourth Proportional to 685,239.60, 1,029,025.80 and 507,946.80

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Solution

The fourth proportional to 685,239.60, 1,029,025.80 and 507,946.80 is: 762,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,239.60 : 1,029,025.80 = 507,946.80 : x
  2. Step 2: Convert to fraction form
    685,239.60/1,029,025.80 = 507,946.80/x
  3. Step 3: Cross multiply
    685,239.60x = 1,029,025.80 × 507,946.80
  4. Step 4: Simplify right side
    685,239.60x = 522,690,362,227.44
  5. Step 5: Solve for x
    x = 522,690,362,227.44/685,239.60
  6. Step 6: Final answer
    x = 762,784.82

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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.