Home / 647,317.38-892,881.08-429,521.34

Finding the Fourth Proportional to 647,317.38, 892,881.08 and 429,521.34

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Solution

The fourth proportional to 647,317.38, 892,881.08 and 429,521.34 is: 592,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,317.38 : 892,881.08 = 429,521.34 : x
  2. Step 2: Convert to fraction form
    647,317.38/892,881.08 = 429,521.34/x
  3. Step 3: Cross multiply
    647,317.38x = 892,881.08 × 429,521.34
  4. Step 4: Simplify right side
    647,317.38x = 383,511,477,942.25
  5. Step 5: Solve for x
    x = 383,511,477,942.25/647,317.38
  6. Step 6: Final answer
    x = 592,462.82

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1.5x scale

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.