Home / 683,089.70-1,025,254.20-346,364.60

Finding the Fourth Proportional to 683,089.70, 1,025,254.20 and 346,364.60

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Solution

The fourth proportional to 683,089.70, 1,025,254.20 and 346,364.60 is: 519,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,089.70 : 1,025,254.20 = 346,364.60 : x
  2. Step 2: Convert to fraction form
    683,089.70/1,025,254.20 = 346,364.60/x
  3. Step 3: Cross multiply
    683,089.70x = 1,025,254.20 × 346,364.60
  4. Step 4: Simplify right side
    683,089.70x = 355,111,760,881.32
  5. Step 5: Solve for x
    x = 355,111,760,881.32/683,089.70
  6. Step 6: Final answer
    x = 519,861.10

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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.