Home / 790,605.04-1,184,419.60-390,777.72

Finding the Fourth Proportional to 790,605.04, 1,184,419.60 and 390,777.72

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Solution

The fourth proportional to 790,605.04, 1,184,419.60 and 390,777.72 is: 585,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,605.04 : 1,184,419.60 = 390,777.72 : x
  2. Step 2: Convert to fraction form
    790,605.04/1,184,419.60 = 390,777.72/x
  3. Step 3: Cross multiply
    790,605.04x = 1,184,419.60 × 390,777.72
  4. Step 4: Simplify right side
    790,605.04x = 462,844,790,811.31
  5. Step 5: Solve for x
    x = 462,844,790,811.31/790,605.04
  6. Step 6: Final answer
    x = 585,431.12

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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.