Home / 928,870.20-1,391,231.70-717,823.80

Finding the Fourth Proportional to 928,870.20, 1,391,231.70 and 717,823.80

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Solution

The fourth proportional to 928,870.20, 1,391,231.70 and 717,823.80 is: 1,075,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,870.20 : 1,391,231.70 = 717,823.80 : x
  2. Step 2: Convert to fraction form
    928,870.20/1,391,231.70 = 717,823.80/x
  3. Step 3: Cross multiply
    928,870.20x = 1,391,231.70 × 717,823.80
  4. Step 4: Simplify right side
    928,870.20x = 998,659,225,574.46
  5. Step 5: Solve for x
    x = 998,659,225,574.46/928,870.20
  6. Step 6: Final answer
    x = 1,075,133.24

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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.