Home / 839,870.80-1,158,971.76-477,244.33

Finding the Fourth Proportional to 839,870.80, 1,158,971.76 and 477,244.33

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Solution

The fourth proportional to 839,870.80, 1,158,971.76 and 477,244.33 is: 658,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,870.80 : 1,158,971.76 = 477,244.33 : x
  2. Step 2: Convert to fraction form
    839,870.80/1,158,971.76 = 477,244.33/x
  3. Step 3: Cross multiply
    839,870.80x = 1,158,971.76 × 477,244.33
  4. Step 4: Simplify right side
    839,870.80x = 553,112,701,090.12
  5. Step 5: Solve for x
    x = 553,112,701,090.12/839,870.80
  6. Step 6: Final answer
    x = 658,568.80

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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.