Home / 839,867.42-1,158,967.10-477,240.96

Finding the Fourth Proportional to 839,867.42, 1,158,967.10 and 477,240.96

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Solution

The fourth proportional to 839,867.42, 1,158,967.10 and 477,240.96 is: 658,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,867.42 : 1,158,967.10 = 477,240.96 : x
  2. Step 2: Convert to fraction form
    839,867.42/1,158,967.10 = 477,240.96/x
  3. Step 3: Cross multiply
    839,867.42x = 1,158,967.10 × 477,240.96
  4. Step 4: Simplify right side
    839,867.42x = 553,106,571,412.42
  5. Step 5: Solve for x
    x = 553,106,571,412.42/839,867.42
  6. Step 6: Final answer
    x = 658,564.15

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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.