Home / 657,921.44-986,289.24-302,752.64

Finding the Fourth Proportional to 657,921.44, 986,289.24 and 302,752.64

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Solution

The fourth proportional to 657,921.44, 986,289.24 and 302,752.64 is: 453,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,921.44 : 986,289.24 = 302,752.64 : x
  2. Step 2: Convert to fraction form
    657,921.44/986,289.24 = 302,752.64/x
  3. Step 3: Cross multiply
    657,921.44x = 986,289.24 × 302,752.64
  4. Step 4: Simplify right side
    657,921.44x = 298,601,671,213.59
  5. Step 5: Solve for x
    x = 298,601,671,213.59/657,921.44
  6. Step 6: Final answer
    x = 453,856.12

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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.