Home / 670,400.63-1,005,284.75-243,636.34

Finding the Fourth Proportional to 670,400.63, 1,005,284.75 and 243,636.34

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Solution

The fourth proportional to 670,400.63, 1,005,284.75 and 243,636.34 is: 365,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,400.63 : 1,005,284.75 = 243,636.34 : x
  2. Step 2: Convert to fraction form
    670,400.63/1,005,284.75 = 243,636.34/x
  3. Step 3: Cross multiply
    670,400.63x = 1,005,284.75 × 243,636.34
  4. Step 4: Simplify right side
    670,400.63x = 244,923,893,416.42
  5. Step 5: Solve for x
    x = 244,923,893,416.42/670,400.63
  6. Step 6: Final answer
    x = 365,339.59

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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.