Home / 809,461.32-1,213,980.32-240,689.24

Finding the Fourth Proportional to 809,461.32, 1,213,980.32 and 240,689.24

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Solution

The fourth proportional to 809,461.32, 1,213,980.32 and 240,689.24 is: 360,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,461.32 : 1,213,980.32 = 240,689.24 : x
  2. Step 2: Convert to fraction form
    809,461.32/1,213,980.32 = 240,689.24/x
  3. Step 3: Cross multiply
    809,461.32x = 1,213,980.32 × 240,689.24
  4. Step 4: Simplify right side
    809,461.32x = 292,191,993,322.41
  5. Step 5: Solve for x
    x = 292,191,993,322.41/809,461.32
  6. Step 6: Final answer
    x = 360,970.91

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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.