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Finding the Fourth Proportional to 602,493.12, 831,412.44 and 330,554.88

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Solution

The fourth proportional to 602,493.12, 831,412.44 and 330,554.88 is: 456,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,493.12 : 831,412.44 = 330,554.88 : x
  2. Step 2: Convert to fraction form
    602,493.12/831,412.44 = 330,554.88/x
  3. Step 3: Cross multiply
    602,493.12x = 831,412.44 × 330,554.88
  4. Step 4: Simplify right side
    602,493.12x = 274,827,439,334.71
  5. Step 5: Solve for x
    x = 274,827,439,334.71/602,493.12
  6. Step 6: Final answer
    x = 456,150.34

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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.