Home / 839,866.80-1,158,966.24-477,240.33

Finding the Fourth Proportional to 839,866.80, 1,158,966.24 and 477,240.33

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Solution

The fourth proportional to 839,866.80, 1,158,966.24 and 477,240.33 is: 658,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,866.80 : 1,158,966.24 = 477,240.33 : x
  2. Step 2: Convert to fraction form
    839,866.80/1,158,966.24 = 477,240.33/x
  3. Step 3: Cross multiply
    839,866.80x = 1,158,966.24 × 477,240.33
  4. Step 4: Simplify right side
    839,866.80x = 553,105,430,836.46
  5. Step 5: Solve for x
    x = 553,105,430,836.46/839,866.80
  6. Step 6: Final answer
    x = 658,563.28

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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.