Home / 602,521.12-831,451.08-330,582.88

Finding the Fourth Proportional to 602,521.12, 831,451.08 and 330,582.88

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Solution

The fourth proportional to 602,521.12, 831,451.08 and 330,582.88 is: 456,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,521.12 : 831,451.08 = 330,582.88 : x
  2. Step 2: Convert to fraction form
    602,521.12/831,451.08 = 330,582.88/x
  3. Step 3: Cross multiply
    602,521.12x = 831,451.08 × 330,582.88
  4. Step 4: Simplify right side
    602,521.12x = 274,863,492,605.51
  5. Step 5: Solve for x
    x = 274,863,492,605.51/602,521.12
  6. Step 6: Final answer
    x = 456,188.98

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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.