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Finding the Fourth Proportional to 602,007.29, 830,763.73 and 330,074.51

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Solution

The fourth proportional to 602,007.29, 830,763.73 and 330,074.51 is: 455,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,007.29 : 830,763.73 = 330,074.51 : x
  2. Step 2: Convert to fraction form
    602,007.29/830,763.73 = 330,074.51/x
  3. Step 3: Cross multiply
    602,007.29x = 830,763.73 × 330,074.51
  4. Step 4: Simplify right side
    602,007.29x = 274,213,933,325.57
  5. Step 5: Solve for x
    x = 274,213,933,325.57/602,007.29
  6. Step 6: Final answer
    x = 455,499.36

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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.