Home / 470,128.16-648,776.86-268,924.16

Finding the Fourth Proportional to 470,128.16, 648,776.86 and 268,924.16

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Solution

The fourth proportional to 470,128.16, 648,776.86 and 268,924.16 is: 371,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,128.16 : 648,776.86 = 268,924.16 : x
  2. Step 2: Convert to fraction form
    470,128.16/648,776.86 = 268,924.16/x
  3. Step 3: Cross multiply
    470,128.16x = 648,776.86 × 268,924.16
  4. Step 4: Simplify right side
    470,128.16x = 174,471,772,102.94
  5. Step 5: Solve for x
    x = 174,471,772,102.94/470,128.16
  6. Step 6: Final answer
    x = 371,115.34

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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.