Home / 757,065.03-1,044,485.93-485,282.79

Finding the Fourth Proportional to 757,065.03, 1,044,485.93 and 485,282.79

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Solution

The fourth proportional to 757,065.03, 1,044,485.93 and 485,282.79 is: 669,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,065.03 : 1,044,485.93 = 485,282.79 : x
  2. Step 2: Convert to fraction form
    757,065.03/1,044,485.93 = 485,282.79/x
  3. Step 3: Cross multiply
    757,065.03x = 1,044,485.93 × 485,282.79
  4. Step 4: Simplify right side
    757,065.03x = 506,871,043,799.73
  5. Step 5: Solve for x
    x = 506,871,043,799.73/757,065.03
  6. Step 6: Final answer
    x = 669,521.14

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1.5x scale

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.