Home / 670,025.70-1,005,038.55-404,604.90

Finding the Fourth Proportional to 670,025.70, 1,005,038.55 and 404,604.90

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Solution

The fourth proportional to 670,025.70, 1,005,038.55 and 404,604.90 is: 606,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,025.70 : 1,005,038.55 = 404,604.90 : x
  2. Step 2: Convert to fraction form
    670,025.70/1,005,038.55 = 404,604.90/x
  3. Step 3: Cross multiply
    670,025.70x = 1,005,038.55 × 404,604.90
  4. Step 4: Simplify right side
    670,025.70x = 406,643,522,018.90
  5. Step 5: Solve for x
    x = 406,643,522,018.90/670,025.70
  6. Step 6: Final answer
    x = 606,907.35

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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.