Home / 759,269.67-1,047,792.73-415,100.12

Finding the Fourth Proportional to 759,269.67, 1,047,792.73 and 415,100.12

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Solution

The fourth proportional to 759,269.67, 1,047,792.73 and 415,100.12 is: 572,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,269.67 : 1,047,792.73 = 415,100.12 : x
  2. Step 2: Convert to fraction form
    759,269.67/1,047,792.73 = 415,100.12/x
  3. Step 3: Cross multiply
    759,269.67x = 1,047,792.73 × 415,100.12
  4. Step 4: Simplify right side
    759,269.67x = 434,938,883,655.42
  5. Step 5: Solve for x
    x = 434,938,883,655.42/759,269.67
  6. Step 6: Final answer
    x = 572,838.48

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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.