Home / 683,291.40-1,024,912.80-309,314.40

Finding the Fourth Proportional to 683,291.40, 1,024,912.80 and 309,314.40

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Solution

The fourth proportional to 683,291.40, 1,024,912.80 and 309,314.40 is: 463,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,291.40 : 1,024,912.80 = 309,314.40 : x
  2. Step 2: Convert to fraction form
    683,291.40/1,024,912.80 = 309,314.40/x
  3. Step 3: Cross multiply
    683,291.40x = 1,024,912.80 × 309,314.40
  4. Step 4: Simplify right side
    683,291.40x = 317,020,287,784.32
  5. Step 5: Solve for x
    x = 317,020,287,784.32/683,291.40
  6. Step 6: Final answer
    x = 463,960.60

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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.