Home / 684,177.42-944,314.72-397,862.67

Finding the Fourth Proportional to 684,177.42, 944,314.72 and 397,862.67

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Solution

The fourth proportional to 684,177.42, 944,314.72 and 397,862.67 is: 549,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,177.42 : 944,314.72 = 397,862.67 : x
  2. Step 2: Convert to fraction form
    684,177.42/944,314.72 = 397,862.67/x
  3. Step 3: Cross multiply
    684,177.42x = 944,314.72 × 397,862.67
  4. Step 4: Simplify right side
    684,177.42x = 375,707,574,824.85
  5. Step 5: Solve for x
    x = 375,707,574,824.85/684,177.42
  6. Step 6: Final answer
    x = 549,137.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.