Home / 849,438.08-1,274,354.18-280,784.67

Finding the Fourth Proportional to 849,438.08, 1,274,354.18 and 280,784.67

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Solution

The fourth proportional to 849,438.08, 1,274,354.18 and 280,784.67 is: 421,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,438.08 : 1,274,354.18 = 280,784.67 : x
  2. Step 2: Convert to fraction form
    849,438.08/1,274,354.18 = 280,784.67/x
  3. Step 3: Cross multiply
    849,438.08x = 1,274,354.18 × 280,784.67
  4. Step 4: Simplify right side
    849,438.08x = 357,819,117,894.42
  5. Step 5: Solve for x
    x = 357,819,117,894.42/849,438.08
  6. Step 6: Final answer
    x = 421,242.14

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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.