Home / 700,090.40-1,050,135.60-669,375.20

Finding the Fourth Proportional to 700,090.40, 1,050,135.60 and 669,375.20

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Solution

The fourth proportional to 700,090.40, 1,050,135.60 and 669,375.20 is: 1,004,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,090.40 : 1,050,135.60 = 669,375.20 : x
  2. Step 2: Convert to fraction form
    700,090.40/1,050,135.60 = 669,375.20/x
  3. Step 3: Cross multiply
    700,090.40x = 1,050,135.60 × 669,375.20
  4. Step 4: Simplify right side
    700,090.40x = 702,934,727,277.12
  5. Step 5: Solve for x
    x = 702,934,727,277.12/700,090.40
  6. Step 6: Final answer
    x = 1,004,062.80

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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.