Home / 809,038.80-1,214,870.40-585,964.80

Finding the Fourth Proportional to 809,038.80, 1,214,870.40 and 585,964.80

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Solution

The fourth proportional to 809,038.80, 1,214,870.40 and 585,964.80 is: 879,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,038.80 : 1,214,870.40 = 585,964.80 : x
  2. Step 2: Convert to fraction form
    809,038.80/1,214,870.40 = 585,964.80/x
  3. Step 3: Cross multiply
    809,038.80x = 1,214,870.40 × 585,964.80
  4. Step 4: Simplify right side
    809,038.80x = 711,871,290,961.92
  5. Step 5: Solve for x
    x = 711,871,290,961.92/809,038.80
  6. Step 6: Final answer
    x = 879,897.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.