Home / 629,341.18-868,491.92-357,409.01

Finding the Fourth Proportional to 629,341.18, 868,491.92 and 357,409.01

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Solution

The fourth proportional to 629,341.18, 868,491.92 and 357,409.01 is: 493,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,341.18 : 868,491.92 = 357,409.01 : x
  2. Step 2: Convert to fraction form
    629,341.18/868,491.92 = 357,409.01/x
  3. Step 3: Cross multiply
    629,341.18x = 868,491.92 × 357,409.01
  4. Step 4: Simplify right side
    629,341.18x = 310,406,840,384.95
  5. Step 5: Solve for x
    x = 310,406,840,384.95/629,341.18
  6. Step 6: Final answer
    x = 493,225.06

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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.