Home / 670,648.48-1,005,958.14-315,465.64

Finding the Fourth Proportional to 670,648.48, 1,005,958.14 and 315,465.64

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Solution

The fourth proportional to 670,648.48, 1,005,958.14 and 315,465.64 is: 473,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,648.48 : 1,005,958.14 = 315,465.64 : x
  2. Step 2: Convert to fraction form
    670,648.48/1,005,958.14 = 315,465.64/x
  3. Step 3: Cross multiply
    670,648.48x = 1,005,958.14 × 315,465.64
  4. Step 4: Simplify right side
    670,648.48x = 317,345,228,448.31
  5. Step 5: Solve for x
    x = 317,345,228,448.31/670,648.48
  6. Step 6: Final answer
    x = 473,191.60

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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.