Home / 743,984.75-1,026,793.94-438,089.60

Finding the Fourth Proportional to 743,984.75, 1,026,793.94 and 438,089.60

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Solution

The fourth proportional to 743,984.75, 1,026,793.94 and 438,089.60 is: 604,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,984.75 : 1,026,793.94 = 438,089.60 : x
  2. Step 2: Convert to fraction form
    743,984.75/1,026,793.94 = 438,089.60/x
  3. Step 3: Cross multiply
    743,984.75x = 1,026,793.94 × 438,089.60
  4. Step 4: Simplify right side
    743,984.75x = 449,827,746,457.02
  5. Step 5: Solve for x
    x = 449,827,746,457.02/743,984.75
  6. Step 6: Final answer
    x = 604,619.58

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Double scale
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1.5x scale

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.