Home / 993,066.80-1,490,215.80-520,091.60

Finding the Fourth Proportional to 993,066.80, 1,490,215.80 and 520,091.60

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Solution

The fourth proportional to 993,066.80, 1,490,215.80 and 520,091.60 is: 780,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,066.80 : 1,490,215.80 = 520,091.60 : x
  2. Step 2: Convert to fraction form
    993,066.80/1,490,215.80 = 520,091.60/x
  3. Step 3: Cross multiply
    993,066.80x = 1,490,215.80 × 520,091.60
  4. Step 4: Simplify right side
    993,066.80x = 775,048,719,767.28
  5. Step 5: Solve for x
    x = 775,048,719,767.28/993,066.80
  6. Step 6: Final answer
    x = 780,459.80

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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.