Home / 975,137.58-1,345,698.42-545,457.68

Finding the Fourth Proportional to 975,137.58, 1,345,698.42 and 545,457.68

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Solution

The fourth proportional to 975,137.58, 1,345,698.42 and 545,457.68 is: 752,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,137.58 : 1,345,698.42 = 545,457.68 : x
  2. Step 2: Convert to fraction form
    975,137.58/1,345,698.42 = 545,457.68/x
  3. Step 3: Cross multiply
    975,137.58x = 1,345,698.42 × 545,457.68
  4. Step 4: Simplify right side
    975,137.58x = 734,021,538,152.87
  5. Step 5: Solve for x
    x = 734,021,538,152.87/975,137.58
  6. Step 6: Final answer
    x = 752,736.39

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Double scale
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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.