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Finding the Fourth Proportional to 600,559.40, 828,690.26 and 358,790.76

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Solution

The fourth proportional to 600,559.40, 828,690.26 and 358,790.76 is: 495,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,559.40 : 828,690.26 = 358,790.76 : x
  2. Step 2: Convert to fraction form
    600,559.40/828,690.26 = 358,790.76/x
  3. Step 3: Cross multiply
    600,559.40x = 828,690.26 × 358,790.76
  4. Step 4: Simplify right side
    600,559.40x = 297,326,408,190.00
  5. Step 5: Solve for x
    x = 297,326,408,190.00/600,559.40
  6. Step 6: Final answer
    x = 495,082.43

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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.