Home / 839,055.81-1,157,886.57-457,074.39

Finding the Fourth Proportional to 839,055.81, 1,157,886.57 and 457,074.39

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Solution

The fourth proportional to 839,055.81, 1,157,886.57 and 457,074.39 is: 630,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,055.81 : 1,157,886.57 = 457,074.39 : x
  2. Step 2: Convert to fraction form
    839,055.81/1,157,886.57 = 457,074.39/x
  3. Step 3: Cross multiply
    839,055.81x = 1,157,886.57 × 457,074.39
  4. Step 4: Simplify right side
    839,055.81x = 529,240,297,671.94
  5. Step 5: Solve for x
    x = 529,240,297,671.94/839,055.81
  6. Step 6: Final answer
    x = 630,756.97

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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.