Home / 727,615.98-1,091,984.40-585,808.20

Finding the Fourth Proportional to 727,615.98, 1,091,984.40 and 585,808.20

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Solution

The fourth proportional to 727,615.98, 1,091,984.40 and 585,808.20 is: 879,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,615.98 : 1,091,984.40 = 585,808.20 : x
  2. Step 2: Convert to fraction form
    727,615.98/1,091,984.40 = 585,808.20/x
  3. Step 3: Cross multiply
    727,615.98x = 1,091,984.40 × 585,808.20
  4. Step 4: Simplify right side
    727,615.98x = 639,693,415,792.08
  5. Step 5: Solve for x
    x = 639,693,415,792.08/727,615.98
  6. Step 6: Final answer
    x = 879,163.51

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1.5x scale

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.