Home / 510,913.29-705,054.23-281,466.01

Finding the Fourth Proportional to 510,913.29, 705,054.23 and 281,466.01

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Solution

The fourth proportional to 510,913.29, 705,054.23 and 281,466.01 is: 388,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,913.29 : 705,054.23 = 281,466.01 : x
  2. Step 2: Convert to fraction form
    510,913.29/705,054.23 = 281,466.01/x
  3. Step 3: Cross multiply
    510,913.29x = 705,054.23 × 281,466.01
  4. Step 4: Simplify right side
    510,913.29x = 198,448,797,781.76
  5. Step 5: Solve for x
    x = 198,448,797,781.76/510,913.29
  6. Step 6: Final answer
    x = 388,419.72

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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.