Home / 769,928.50-1,154,873.31-208,948.42

Finding the Fourth Proportional to 769,928.50, 1,154,873.31 and 208,948.42

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Solution

The fourth proportional to 769,928.50, 1,154,873.31 and 208,948.42 is: 313,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,928.50 : 1,154,873.31 = 208,948.42 : x
  2. Step 2: Convert to fraction form
    769,928.50/1,154,873.31 = 208,948.42/x
  3. Step 3: Cross multiply
    769,928.50x = 1,154,873.31 × 208,948.42
  4. Step 4: Simplify right side
    769,928.50x = 241,308,953,424.67
  5. Step 5: Solve for x
    x = 241,308,953,424.67/769,928.50
  6. Step 6: Final answer
    x = 313,417.35

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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.