Home / 809,477.28-1,117,080.30-446,901.84

Finding the Fourth Proportional to 809,477.28, 1,117,080.30 and 446,901.84

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Solution

The fourth proportional to 809,477.28, 1,117,080.30 and 446,901.84 is: 616,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,477.28 : 1,117,080.30 = 446,901.84 : x
  2. Step 2: Convert to fraction form
    809,477.28/1,117,080.30 = 446,901.84/x
  3. Step 3: Cross multiply
    809,477.28x = 1,117,080.30 × 446,901.84
  4. Step 4: Simplify right side
    809,477.28x = 499,225,233,677.84
  5. Step 5: Solve for x
    x = 499,225,233,677.84/809,477.28
  6. Step 6: Final answer
    x = 616,725.45

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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.