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Finding the Fourth Proportional to 600,139.80, 828,271.26 and 345,501.72

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Solution

The fourth proportional to 600,139.80, 828,271.26 and 345,501.72 is: 476,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,139.80 : 828,271.26 = 345,501.72 : x
  2. Step 2: Convert to fraction form
    600,139.80/828,271.26 = 345,501.72/x
  3. Step 3: Cross multiply
    600,139.80x = 828,271.26 × 345,501.72
  4. Step 4: Simplify right side
    600,139.80x = 286,169,144,956.57
  5. Step 5: Solve for x
    x = 286,169,144,956.57/600,139.80
  6. Step 6: Final answer
    x = 476,837.47

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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.