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Finding the Fourth Proportional to 600,012.72, 828,225.90 and 345,465.36

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Solution

The fourth proportional to 600,012.72, 828,225.90 and 345,465.36 is: 476,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,012.72 : 828,225.90 = 345,465.36 : x
  2. Step 2: Convert to fraction form
    600,012.72/828,225.90 = 345,465.36/x
  3. Step 3: Cross multiply
    600,012.72x = 828,225.90 × 345,465.36
  4. Step 4: Simplify right side
    600,012.72x = 286,123,358,704.82
  5. Step 5: Solve for x
    x = 286,123,358,704.82/600,012.72
  6. Step 6: Final answer
    x = 476,862.16

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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.