Home / 510,450.71-704,409.56-281,006.13

Finding the Fourth Proportional to 510,450.71, 704,409.56 and 281,006.13

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Solution

The fourth proportional to 510,450.71, 704,409.56 and 281,006.13 is: 387,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,450.71 : 704,409.56 = 281,006.13 : x
  2. Step 2: Convert to fraction form
    510,450.71/704,409.56 = 281,006.13/x
  3. Step 3: Cross multiply
    510,450.71x = 704,409.56 × 281,006.13
  4. Step 4: Simplify right side
    510,450.71x = 197,943,402,985.57
  5. Step 5: Solve for x
    x = 197,943,402,985.57/510,450.71
  6. Step 6: Final answer
    x = 387,781.62

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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.