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Finding the Fourth Proportional to 508,466.40, 763,477.20 and 298,514.40

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Solution

The fourth proportional to 508,466.40, 763,477.20 and 298,514.40 is: 448,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,466.40 : 763,477.20 = 298,514.40 : x
  2. Step 2: Convert to fraction form
    508,466.40/763,477.20 = 298,514.40/x
  3. Step 3: Cross multiply
    508,466.40x = 763,477.20 × 298,514.40
  4. Step 4: Simplify right side
    508,466.40x = 227,908,938,271.68
  5. Step 5: Solve for x
    x = 227,908,938,271.68/508,466.40
  6. Step 6: Final answer
    x = 448,228.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.