Home / 683,440.40-1,025,452.20-328,271.60

Finding the Fourth Proportional to 683,440.40, 1,025,452.20 and 328,271.60

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Solution

The fourth proportional to 683,440.40, 1,025,452.20 and 328,271.60 is: 492,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,440.40 : 1,025,452.20 = 328,271.60 : x
  2. Step 2: Convert to fraction form
    683,440.40/1,025,452.20 = 328,271.60/x
  3. Step 3: Cross multiply
    683,440.40x = 1,025,452.20 × 328,271.60
  4. Step 4: Simplify right side
    683,440.40x = 336,626,834,417.52
  5. Step 5: Solve for x
    x = 336,626,834,417.52/683,440.40
  6. Step 6: Final answer
    x = 492,547.46

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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.