Home / 954,559.77-1,431,905.27-280,657.59

Finding the Fourth Proportional to 954,559.77, 1,431,905.27 and 280,657.59

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Solution

The fourth proportional to 954,559.77, 1,431,905.27 and 280,657.59 is: 421,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,559.77 : 1,431,905.27 = 280,657.59 : x
  2. Step 2: Convert to fraction form
    954,559.77/1,431,905.27 = 280,657.59/x
  3. Step 3: Cross multiply
    954,559.77x = 1,431,905.27 × 280,657.59
  4. Step 4: Simplify right side
    954,559.77x = 401,875,080,783.21
  5. Step 5: Solve for x
    x = 401,875,080,783.21/954,559.77
  6. Step 6: Final answer
    x = 421,005.68

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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.