Home / 670,641.76-1,003,763.55-366,570.19

Finding the Fourth Proportional to 670,641.76, 1,003,763.55 and 366,570.19

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Solution

The fourth proportional to 670,641.76, 1,003,763.55 and 366,570.19 is: 548,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,641.76 : 1,003,763.55 = 366,570.19 : x
  2. Step 2: Convert to fraction form
    670,641.76/1,003,763.55 = 366,570.19/x
  3. Step 3: Cross multiply
    670,641.76x = 1,003,763.55 × 366,570.19
  4. Step 4: Simplify right side
    670,641.76x = 367,949,790,219.76
  5. Step 5: Solve for x
    x = 367,949,790,219.76/670,641.76
  6. Step 6: Final answer
    x = 548,653.27

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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.