Home / 772,783.70-1,158,635.55-457,078.10

Finding the Fourth Proportional to 772,783.70, 1,158,635.55 and 457,078.10

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Solution

The fourth proportional to 772,783.70, 1,158,635.55 and 457,078.10 is: 685,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,783.70 : 1,158,635.55 = 457,078.10 : x
  2. Step 2: Convert to fraction form
    772,783.70/1,158,635.55 = 457,078.10/x
  3. Step 3: Cross multiply
    772,783.70x = 1,158,635.55 × 457,078.10
  4. Step 4: Simplify right side
    772,783.70x = 529,586,935,786.46
  5. Step 5: Solve for x
    x = 529,586,935,786.46/772,783.70
  6. Step 6: Final answer
    x = 685,297.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.