Home / 728,519.10-1,093,762.80-462,798.60

Finding the Fourth Proportional to 728,519.10, 1,093,762.80 and 462,798.60

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Solution

The fourth proportional to 728,519.10, 1,093,762.80 and 462,798.60 is: 694,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,519.10 : 1,093,762.80 = 462,798.60 : x
  2. Step 2: Convert to fraction form
    728,519.10/1,093,762.80 = 462,798.60/x
  3. Step 3: Cross multiply
    728,519.10x = 1,093,762.80 × 462,798.60
  4. Step 4: Simplify right side
    728,519.10x = 506,191,892,572.08
  5. Step 5: Solve for x
    x = 506,191,892,572.08/728,519.10
  6. Step 6: Final answer
    x = 694,823.09

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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.