Home / 939,369.58-1,409,146.61-265,456.06

Finding the Fourth Proportional to 939,369.58, 1,409,146.61 and 265,456.06

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Solution

The fourth proportional to 939,369.58, 1,409,146.61 and 265,456.06 is: 398,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,369.58 : 1,409,146.61 = 265,456.06 : x
  2. Step 2: Convert to fraction form
    939,369.58/1,409,146.61 = 265,456.06/x
  3. Step 3: Cross multiply
    939,369.58x = 1,409,146.61 × 265,456.06
  4. Step 4: Simplify right side
    939,369.58x = 374,066,502,202.81
  5. Step 5: Solve for x
    x = 374,066,502,202.81/939,369.58
  6. Step 6: Final answer
    x = 398,210.15

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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.