Home / 510,428.07-704,390.73-284,127.03

Finding the Fourth Proportional to 510,428.07, 704,390.73 and 284,127.03

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Solution

The fourth proportional to 510,428.07, 704,390.73 and 284,127.03 is: 392,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,428.07 : 704,390.73 = 284,127.03 : x
  2. Step 2: Convert to fraction form
    510,428.07/704,390.73 = 284,127.03/x
  3. Step 3: Cross multiply
    510,428.07x = 704,390.73 × 284,127.03
  4. Step 4: Simplify right side
    510,428.07x = 200,136,446,074.43
  5. Step 5: Solve for x
    x = 200,136,446,074.43/510,428.07
  6. Step 6: Final answer
    x = 392,095.30

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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.