Home / 839,052.84-1,157,894.90-457,071.42

Finding the Fourth Proportional to 839,052.84, 1,157,894.90 and 457,071.42

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Solution

The fourth proportional to 839,052.84, 1,157,894.90 and 457,071.42 is: 630,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,052.84 : 1,157,894.90 = 457,071.42 : x
  2. Step 2: Convert to fraction form
    839,052.84/1,157,894.90 = 457,071.42/x
  3. Step 3: Cross multiply
    839,052.84x = 1,157,894.90 × 457,071.42
  4. Step 4: Simplify right side
    839,052.84x = 529,240,663,868.40
  5. Step 5: Solve for x
    x = 529,240,663,868.40/839,052.84
  6. Step 6: Final answer
    x = 630,759.64

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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.