Home / 743,983.75-1,026,792.56-438,088.60

Finding the Fourth Proportional to 743,983.75, 1,026,792.56 and 438,088.60

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Solution

The fourth proportional to 743,983.75, 1,026,792.56 and 438,088.60 is: 604,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,983.75 : 1,026,792.56 = 438,088.60 : x
  2. Step 2: Convert to fraction form
    743,983.75/1,026,792.56 = 438,088.60/x
  3. Step 3: Cross multiply
    743,983.75x = 1,026,792.56 × 438,088.60
  4. Step 4: Simplify right side
    743,983.75x = 449,826,114,630.24
  5. Step 5: Solve for x
    x = 449,826,114,630.24/743,983.75
  6. Step 6: Final answer
    x = 604,618.19

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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.