Home / 768,062.26-1,059,918.24-423,901.36

Finding the Fourth Proportional to 768,062.26, 1,059,918.24 and 423,901.36

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Solution

The fourth proportional to 768,062.26, 1,059,918.24 and 423,901.36 is: 584,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,062.26 : 1,059,918.24 = 423,901.36 : x
  2. Step 2: Convert to fraction form
    768,062.26/1,059,918.24 = 423,901.36/x
  3. Step 3: Cross multiply
    768,062.26x = 1,059,918.24 × 423,901.36
  4. Step 4: Simplify right side
    768,062.26x = 449,300,783,424.81
  5. Step 5: Solve for x
    x = 449,300,783,424.81/768,062.26
  6. Step 6: Final answer
    x = 584,979.64

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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.