Home / 700,767.90-1,047,311.64-511,626.72

Finding the Fourth Proportional to 700,767.90, 1,047,311.64 and 511,626.72

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Solution

The fourth proportional to 700,767.90, 1,047,311.64 and 511,626.72 is: 764,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,767.90 : 1,047,311.64 = 511,626.72 : x
  2. Step 2: Convert to fraction form
    700,767.90/1,047,311.64 = 511,626.72/x
  3. Step 3: Cross multiply
    700,767.90x = 1,047,311.64 × 511,626.72
  4. Step 4: Simplify right side
    700,767.90x = 535,832,619,191.02
  5. Step 5: Solve for x
    x = 535,832,619,191.02/700,767.90
  6. Step 6: Final answer
    x = 764,636.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.