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Finding the Fourth Proportional to 602,083.73, 830,875.12 and 330,156.24

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Solution

The fourth proportional to 602,083.73, 830,875.12 and 330,156.24 is: 455,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,083.73 : 830,875.12 = 330,156.24 : x
  2. Step 2: Convert to fraction form
    602,083.73/830,875.12 = 330,156.24/x
  3. Step 3: Cross multiply
    602,083.73x = 830,875.12 × 330,156.24
  4. Step 4: Simplify right side
    602,083.73x = 274,318,601,587.58
  5. Step 5: Solve for x
    x = 274,318,601,587.58/602,083.73
  6. Step 6: Final answer
    x = 455,615.37

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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.