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Finding the Fourth Proportional to 670,003.60, 1,004,659.80 and 249,062.80

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Solution

The fourth proportional to 670,003.60, 1,004,659.80 and 249,062.80 is: 373,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,003.60 : 1,004,659.80 = 249,062.80 : x
  2. Step 2: Convert to fraction form
    670,003.60/1,004,659.80 = 249,062.80/x
  3. Step 3: Cross multiply
    670,003.60x = 1,004,659.80 × 249,062.80
  4. Step 4: Simplify right side
    670,003.60x = 250,223,382,835.44
  5. Step 5: Solve for x
    x = 250,223,382,835.44/670,003.60
  6. Step 6: Final answer
    x = 373,465.73

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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.