Home / 912,047.73-1,368,128-304,890.67

Finding the Fourth Proportional to 912,047.73, 1,368,128 and 304,890.67

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Solution

The fourth proportional to 912,047.73, 1,368,128 and 304,890.67 is: 457,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,047.73 : 1,368,128 = 304,890.67 : x
  2. Step 2: Convert to fraction form
    912,047.73/1,368,128 = 304,890.67/x
  3. Step 3: Cross multiply
    912,047.73x = 1,368,128 × 304,890.67
  4. Step 4: Simplify right side
    912,047.73x = 417,129,462,565.76
  5. Step 5: Solve for x
    x = 417,129,462,565.76/912,047.73
  6. Step 6: Final answer
    x = 457,354.86

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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.