Home / 849,557.42-1,273,941.01-309,437.67

Finding the Fourth Proportional to 849,557.42, 1,273,941.01 and 309,437.67

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Solution

The fourth proportional to 849,557.42, 1,273,941.01 and 309,437.67 is: 464,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,557.42 : 1,273,941.01 = 309,437.67 : x
  2. Step 2: Convert to fraction form
    849,557.42/1,273,941.01 = 309,437.67/x
  3. Step 3: Cross multiply
    849,557.42x = 1,273,941.01 × 309,437.67
  4. Step 4: Simplify right side
    849,557.42x = 394,205,337,851.85
  5. Step 5: Solve for x
    x = 394,205,337,851.85/849,557.42
  6. Step 6: Final answer
    x = 464,012.59

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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.