Home / 945,086.70-1,417,904.64-305,377.05

Finding the Fourth Proportional to 945,086.70, 1,417,904.64 and 305,377.05

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Solution

The fourth proportional to 945,086.70, 1,417,904.64 and 305,377.05 is: 458,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,086.70 : 1,417,904.64 = 305,377.05 : x
  2. Step 2: Convert to fraction form
    945,086.70/1,417,904.64 = 305,377.05/x
  3. Step 3: Cross multiply
    945,086.70x = 1,417,904.64 × 305,377.05
  4. Step 4: Simplify right side
    945,086.70x = 432,995,536,144.51
  5. Step 5: Solve for x
    x = 432,995,536,144.51/945,086.70
  6. Step 6: Final answer
    x = 458,154.30

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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.