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Finding the Fourth Proportional to 602,479.35, 831,429.98 and 330,542.30

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Solution

The fourth proportional to 602,479.35, 831,429.98 and 330,542.30 is: 456,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,479.35 : 831,429.98 = 330,542.30 : x
  2. Step 2: Convert to fraction form
    602,479.35/831,429.98 = 330,542.30/x
  3. Step 3: Cross multiply
    602,479.35x = 831,429.98 × 330,542.30
  4. Step 4: Simplify right side
    602,479.35x = 274,822,772,068.29
  5. Step 5: Solve for x
    x = 274,822,772,068.29/602,479.35
  6. Step 6: Final answer
    x = 456,153.02

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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.