Home / 715,567.06-987,071.36-446,828.50

Finding the Fourth Proportional to 715,567.06, 987,071.36 and 446,828.50

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Solution

The fourth proportional to 715,567.06, 987,071.36 and 446,828.50 is: 616,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,567.06 : 987,071.36 = 446,828.50 : x
  2. Step 2: Convert to fraction form
    715,567.06/987,071.36 = 446,828.50/x
  3. Step 3: Cross multiply
    715,567.06x = 987,071.36 × 446,828.50
  4. Step 4: Simplify right side
    715,567.06x = 441,051,615,181.76
  5. Step 5: Solve for x
    x = 441,051,615,181.76/715,567.06
  6. Step 6: Final answer
    x = 616,366.57

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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.