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Finding the Fourth Proportional to 602,113.89, 830,928.57 and 330,165.57

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Solution

The fourth proportional to 602,113.89, 830,928.57 and 330,165.57 is: 455,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,113.89 : 830,928.57 = 330,165.57 : x
  2. Step 2: Convert to fraction form
    602,113.89/830,928.57 = 330,165.57/x
  3. Step 3: Cross multiply
    602,113.89x = 830,928.57 × 330,165.57
  4. Step 4: Simplify right side
    602,113.89x = 274,344,004,943.34
  5. Step 5: Solve for x
    x = 274,344,004,943.34/602,113.89
  6. Step 6: Final answer
    x = 455,634.74

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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.