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Finding the Fourth Proportional to 602,199.74, 828,949.47 and 520,490.45

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Solution

The fourth proportional to 602,199.74, 828,949.47 and 520,490.45 is: 716,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,199.74 : 828,949.47 = 520,490.45 : x
  2. Step 2: Convert to fraction form
    602,199.74/828,949.47 = 520,490.45/x
  3. Step 3: Cross multiply
    602,199.74x = 828,949.47 × 520,490.45
  4. Step 4: Simplify right side
    602,199.74x = 431,460,282,667.56
  5. Step 5: Solve for x
    x = 431,460,282,667.56/602,199.74
  6. Step 6: Final answer
    x = 716,473.71

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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.