Home / 764,068.33-1,146,036.21-258,618.07

Finding the Fourth Proportional to 764,068.33, 1,146,036.21 and 258,618.07

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Solution

The fourth proportional to 764,068.33, 1,146,036.21 and 258,618.07 is: 387,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,068.33 : 1,146,036.21 = 258,618.07 : x
  2. Step 2: Convert to fraction form
    764,068.33/1,146,036.21 = 258,618.07/x
  3. Step 3: Cross multiply
    764,068.33x = 1,146,036.21 × 258,618.07
  4. Step 4: Simplify right side
    764,068.33x = 296,385,672,780.32
  5. Step 5: Solve for x
    x = 296,385,672,780.32/764,068.33
  6. Step 6: Final answer
    x = 387,904.67

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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.