Home / 751,569.45-1,127,354.18-494,706.30

Finding the Fourth Proportional to 751,569.45, 1,127,354.18 and 494,706.30

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Solution

The fourth proportional to 751,569.45, 1,127,354.18 and 494,706.30 is: 742,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,569.45 : 1,127,354.18 = 494,706.30 : x
  2. Step 2: Convert to fraction form
    751,569.45/1,127,354.18 = 494,706.30/x
  3. Step 3: Cross multiply
    751,569.45x = 1,127,354.18 × 494,706.30
  4. Step 4: Simplify right side
    751,569.45x = 557,709,212,703.80
  5. Step 5: Solve for x
    x = 557,709,212,703.80/751,569.45
  6. Step 6: Final answer
    x = 742,059.45

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Double scale
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Similar ratio
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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.