Home / 683,724.90-1,026,243.45-347,145.60

Finding the Fourth Proportional to 683,724.90, 1,026,243.45 and 347,145.60

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Solution

The fourth proportional to 683,724.90, 1,026,243.45 and 347,145.60 is: 521,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,724.90 : 1,026,243.45 = 347,145.60 : x
  2. Step 2: Convert to fraction form
    683,724.90/1,026,243.45 = 347,145.60/x
  3. Step 3: Cross multiply
    683,724.90x = 1,026,243.45 × 347,145.60
  4. Step 4: Simplify right side
    683,724.90x = 356,255,898,196.32
  5. Step 5: Solve for x
    x = 356,255,898,196.32/683,724.90
  6. Step 6: Final answer
    x = 521,051.52

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Double scale
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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.