Home / 975,618.40-1,462,990.20-442,865.20

Finding the Fourth Proportional to 975,618.40, 1,462,990.20 and 442,865.20

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Solution

The fourth proportional to 975,618.40, 1,462,990.20 and 442,865.20 is: 664,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,618.40 : 1,462,990.20 = 442,865.20 : x
  2. Step 2: Convert to fraction form
    975,618.40/1,462,990.20 = 442,865.20/x
  3. Step 3: Cross multiply
    975,618.40x = 1,462,990.20 × 442,865.20
  4. Step 4: Simplify right side
    975,618.40x = 647,907,447,521.04
  5. Step 5: Solve for x
    x = 647,907,447,521.04/975,618.40
  6. Step 6: Final answer
    x = 664,099.25

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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.