Home / 602,405.79-831,315.07-326,762.95

Finding the Fourth Proportional to 602,405.79, 831,315.07 and 326,762.95

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Solution

The fourth proportional to 602,405.79, 831,315.07 and 326,762.95 is: 450,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,405.79 : 831,315.07 = 326,762.95 : x
  2. Step 2: Convert to fraction form
    602,405.79/831,315.07 = 326,762.95/x
  3. Step 3: Cross multiply
    602,405.79x = 831,315.07 × 326,762.95
  4. Step 4: Simplify right side
    602,405.79x = 271,642,964,652.66
  5. Step 5: Solve for x
    x = 271,642,964,652.66/602,405.79
  6. Step 6: Final answer
    x = 450,930.20

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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.