Home / 1,019,636.02-1,529,354.94-309,670.30

Finding the Fourth Proportional to 1,019,636.02, 1,529,354.94 and 309,670.30

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Solution

The fourth proportional to 1,019,636.02, 1,529,354.94 and 309,670.30 is: 464,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,636.02 : 1,529,354.94 = 309,670.30 : x
  2. Step 2: Convert to fraction form
    1,019,636.02/1,529,354.94 = 309,670.30/x
  3. Step 3: Cross multiply
    1,019,636.02x = 1,529,354.94 × 309,670.30
  4. Step 4: Simplify right side
    1,019,636.02x = 473,595,803,076.28
  5. Step 5: Solve for x
    x = 473,595,803,076.28/1,019,636.02
  6. Step 6: Final answer
    x = 464,475.36

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Double scale
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Similar ratio
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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.