Home / 670,018.20-1,005,027.30-404,597.40

Finding the Fourth Proportional to 670,018.20, 1,005,027.30 and 404,597.40

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Solution

The fourth proportional to 670,018.20, 1,005,027.30 and 404,597.40 is: 606,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,018.20 : 1,005,027.30 = 404,597.40 : x
  2. Step 2: Convert to fraction form
    670,018.20/1,005,027.30 = 404,597.40/x
  3. Step 3: Cross multiply
    670,018.20x = 1,005,027.30 × 404,597.40
  4. Step 4: Simplify right side
    670,018.20x = 406,631,432,509.02
  5. Step 5: Solve for x
    x = 406,631,432,509.02/670,018.20
  6. Step 6: Final answer
    x = 606,896.10

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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.