Home / 758,941.79-1,138,412.68-285,733.31

Finding the Fourth Proportional to 758,941.79, 1,138,412.68 and 285,733.31

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Solution

The fourth proportional to 758,941.79, 1,138,412.68 and 285,733.31 is: 428,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,941.79 : 1,138,412.68 = 285,733.31 : x
  2. Step 2: Convert to fraction form
    758,941.79/1,138,412.68 = 285,733.31/x
  3. Step 3: Cross multiply
    758,941.79x = 1,138,412.68 × 285,733.31
  4. Step 4: Simplify right side
    758,941.79x = 325,282,423,202.37
  5. Step 5: Solve for x
    x = 325,282,423,202.37/758,941.79
  6. Step 6: Final answer
    x = 428,599.96

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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.