Home / 759,495.17-1,048,100.59-428,324.78

Finding the Fourth Proportional to 759,495.17, 1,048,100.59 and 428,324.78

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Solution

The fourth proportional to 759,495.17, 1,048,100.59 and 428,324.78 is: 591,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,495.17 : 1,048,100.59 = 428,324.78 : x
  2. Step 2: Convert to fraction form
    759,495.17/1,048,100.59 = 428,324.78/x
  3. Step 3: Cross multiply
    759,495.17x = 1,048,100.59 × 428,324.78
  4. Step 4: Simplify right side
    759,495.17x = 448,927,454,629.62
  5. Step 5: Solve for x
    x = 448,927,454,629.62/759,495.17
  6. Step 6: Final answer
    x = 591,086.65

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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.