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Finding the Fourth Proportional to 602,574.76, 831,525.38 and 330,636.04

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Solution

The fourth proportional to 602,574.76, 831,525.38 and 330,636.04 is: 456,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,574.76 : 831,525.38 = 330,636.04 : x
  2. Step 2: Convert to fraction form
    602,574.76/831,525.38 = 330,636.04/x
  3. Step 3: Cross multiply
    602,574.76x = 831,525.38 × 330,636.04
  4. Step 4: Simplify right side
    602,574.76x = 274,932,258,802.70
  5. Step 5: Solve for x
    x = 274,932,258,802.70/602,574.76
  6. Step 6: Final answer
    x = 456,262.49

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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.