Home / 928,665.16-1,392,999.92-254,756.24

Finding the Fourth Proportional to 928,665.16, 1,392,999.92 and 254,756.24

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Solution

The fourth proportional to 928,665.16, 1,392,999.92 and 254,756.24 is: 382,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,665.16 : 1,392,999.92 = 254,756.24 : x
  2. Step 2: Convert to fraction form
    928,665.16/1,392,999.92 = 254,756.24/x
  3. Step 3: Cross multiply
    928,665.16x = 1,392,999.92 × 254,756.24
  4. Step 4: Simplify right side
    928,665.16x = 354,875,421,939.50
  5. Step 5: Solve for x
    x = 354,875,421,939.50/928,665.16
  6. Step 6: Final answer
    x = 382,134.96

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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.