Home / 670,364.08-1,005,873.92-315,413.44

Finding the Fourth Proportional to 670,364.08, 1,005,873.92 and 315,413.44

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Solution

The fourth proportional to 670,364.08, 1,005,873.92 and 315,413.44 is: 473,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,364.08 : 1,005,873.92 = 315,413.44 : x
  2. Step 2: Convert to fraction form
    670,364.08/1,005,873.92 = 315,413.44/x
  3. Step 3: Cross multiply
    670,364.08x = 1,005,873.92 × 315,413.44
  4. Step 4: Simplify right side
    670,364.08x = 317,266,153,313.49
  5. Step 5: Solve for x
    x = 317,266,153,313.49/670,364.08
  6. Step 6: Final answer
    x = 473,274.39

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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.