Home / 683,462.02-1,025,412.39-328,501.78

Finding the Fourth Proportional to 683,462.02, 1,025,412.39 and 328,501.78

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Solution

The fourth proportional to 683,462.02, 1,025,412.39 and 328,501.78 is: 492,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,462.02 : 1,025,412.39 = 328,501.78 : x
  2. Step 2: Convert to fraction form
    683,462.02/1,025,412.39 = 328,501.78/x
  3. Step 3: Cross multiply
    683,462.02x = 1,025,412.39 × 328,501.78
  4. Step 4: Simplify right side
    683,462.02x = 336,849,795,349.05
  5. Step 5: Solve for x
    x = 336,849,795,349.05/683,462.02
  6. Step 6: Final answer
    x = 492,858.10

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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.