Home / 973,813.61-1,343,932.32-538,221.60

Finding the Fourth Proportional to 973,813.61, 1,343,932.32 and 538,221.60

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Solution

The fourth proportional to 973,813.61, 1,343,932.32 and 538,221.60 is: 742,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,813.61 : 1,343,932.32 = 538,221.60 : x
  2. Step 2: Convert to fraction form
    973,813.61/1,343,932.32 = 538,221.60/x
  3. Step 3: Cross multiply
    973,813.61x = 1,343,932.32 × 538,221.60
  4. Step 4: Simplify right side
    973,813.61x = 723,333,405,580.44
  5. Step 5: Solve for x
    x = 723,333,405,580.44/973,813.61
  6. Step 6: Final answer
    x = 742,784.24

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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.