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Finding the Fourth Proportional to 510,356.04, 704,368.74 and 306,519.52

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Solution

The fourth proportional to 510,356.04, 704,368.74 and 306,519.52 is: 423,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,356.04 : 704,368.74 = 306,519.52 : x
  2. Step 2: Convert to fraction form
    510,356.04/704,368.74 = 306,519.52/x
  3. Step 3: Cross multiply
    510,356.04x = 704,368.74 × 306,519.52
  4. Step 4: Simplify right side
    510,356.04x = 215,902,768,087.81
  5. Step 5: Solve for x
    x = 215,902,768,087.81/510,356.04
  6. Step 6: Final answer
    x = 423,043.43

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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.