Home / 577,841.59-865,975.06-278,300.35

Finding the Fourth Proportional to 577,841.59, 865,975.06 and 278,300.35

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Solution

The fourth proportional to 577,841.59, 865,975.06 and 278,300.35 is: 417,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,841.59 : 865,975.06 = 278,300.35 : x
  2. Step 2: Convert to fraction form
    577,841.59/865,975.06 = 278,300.35/x
  3. Step 3: Cross multiply
    577,841.59x = 865,975.06 × 278,300.35
  4. Step 4: Simplify right side
    577,841.59x = 241,001,162,289.27
  5. Step 5: Solve for x
    x = 241,001,162,289.27/577,841.59
  6. Step 6: Final answer
    x = 417,071.33

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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.