Home / 670,232.60-1,005,348.90-404,811.80

Finding the Fourth Proportional to 670,232.60, 1,005,348.90 and 404,811.80

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Solution

The fourth proportional to 670,232.60, 1,005,348.90 and 404,811.80 is: 607,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,232.60 : 1,005,348.90 = 404,811.80 : x
  2. Step 2: Convert to fraction form
    670,232.60/1,005,348.90 = 404,811.80/x
  3. Step 3: Cross multiply
    670,232.60x = 1,005,348.90 × 404,811.80
  4. Step 4: Simplify right side
    670,232.60x = 406,977,097,837.02
  5. Step 5: Solve for x
    x = 406,977,097,837.02/670,232.60
  6. Step 6: Final answer
    x = 607,217.70

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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.