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Finding the Fourth Proportional to 436,589.42, 602,492.52 and 245,602.98

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Solution

The fourth proportional to 436,589.42, 602,492.52 and 245,602.98 is: 338,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,589.42 : 602,492.52 = 245,602.98 : x
  2. Step 2: Convert to fraction form
    436,589.42/602,492.52 = 245,602.98/x
  3. Step 3: Cross multiply
    436,589.42x = 602,492.52 × 245,602.98
  4. Step 4: Simplify right side
    436,589.42x = 147,973,958,339.71
  5. Step 5: Solve for x
    x = 147,973,958,339.71/436,589.42
  6. Step 6: Final answer
    x = 338,931.62

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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.