Home / 770,011.70-1,154,929.31-201,447.67

Finding the Fourth Proportional to 770,011.70, 1,154,929.31 and 201,447.67

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Solution

The fourth proportional to 770,011.70, 1,154,929.31 and 201,447.67 is: 302,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,011.70 : 1,154,929.31 = 201,447.67 : x
  2. Step 2: Convert to fraction form
    770,011.70/1,154,929.31 = 201,447.67/x
  3. Step 3: Cross multiply
    770,011.70x = 1,154,929.31 × 201,447.67
  4. Step 4: Simplify right side
    770,011.70x = 232,657,813,209.58
  5. Step 5: Solve for x
    x = 232,657,813,209.58/770,011.70
  6. Step 6: Final answer
    x = 302,148.41

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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.