Home / 908,574.30-1,361,330.55-718,305.30

Finding the Fourth Proportional to 908,574.30, 1,361,330.55 and 718,305.30

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Solution

The fourth proportional to 908,574.30, 1,361,330.55 and 718,305.30 is: 1,076,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,574.30 : 1,361,330.55 = 718,305.30 : x
  2. Step 2: Convert to fraction form
    908,574.30/1,361,330.55 = 718,305.30/x
  3. Step 3: Cross multiply
    908,574.30x = 1,361,330.55 × 718,305.30
  4. Step 4: Simplify right side
    908,574.30x = 977,850,949,116.92
  5. Step 5: Solve for x
    x = 977,850,949,116.92/908,574.30
  6. Step 6: Final answer
    x = 1,076,247.64

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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.