Home / 897,145.60-1,345,977.60-266,074.60

Finding the Fourth Proportional to 897,145.60, 1,345,977.60 and 266,074.60

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Solution

The fourth proportional to 897,145.60, 1,345,977.60 and 266,074.60 is: 399,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,145.60 : 1,345,977.60 = 266,074.60 : x
  2. Step 2: Convert to fraction form
    897,145.60/1,345,977.60 = 266,074.60/x
  3. Step 3: Cross multiply
    897,145.60x = 1,345,977.60 × 266,074.60
  4. Step 4: Simplify right side
    897,145.60x = 358,130,451,528.96
  5. Step 5: Solve for x
    x = 358,130,451,528.96/897,145.60
  6. Step 6: Final answer
    x = 399,188.77

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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.