Home / 670,024.70-1,005,037.05-404,603.90

Finding the Fourth Proportional to 670,024.70, 1,005,037.05 and 404,603.90

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Solution

The fourth proportional to 670,024.70, 1,005,037.05 and 404,603.90 is: 606,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,024.70 : 1,005,037.05 = 404,603.90 : x
  2. Step 2: Convert to fraction form
    670,024.70/1,005,037.05 = 404,603.90/x
  3. Step 3: Cross multiply
    670,024.70x = 1,005,037.05 × 404,603.90
  4. Step 4: Simplify right side
    670,024.70x = 406,641,910,074.50
  5. Step 5: Solve for x
    x = 406,641,910,074.50/670,024.70
  6. Step 6: Final answer
    x = 606,905.85

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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.