Home / 736,027.78-1,015,540.98-429,930.40

Finding the Fourth Proportional to 736,027.78, 1,015,540.98 and 429,930.40

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Solution

The fourth proportional to 736,027.78, 1,015,540.98 and 429,930.40 is: 593,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,027.78 : 1,015,540.98 = 429,930.40 : x
  2. Step 2: Convert to fraction form
    736,027.78/1,015,540.98 = 429,930.40/x
  3. Step 3: Cross multiply
    736,027.78x = 1,015,540.98 × 429,930.40
  4. Step 4: Simplify right side
    736,027.78x = 436,611,939,747.79
  5. Step 5: Solve for x
    x = 436,611,939,747.79/736,027.78
  6. Step 6: Final answer
    x = 593,200.35

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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.