Home / 757,886.48-1,045,890.60-418,347.44

Finding the Fourth Proportional to 757,886.48, 1,045,890.60 and 418,347.44

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Solution

The fourth proportional to 757,886.48, 1,045,890.60 and 418,347.44 is: 577,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,886.48 : 1,045,890.60 = 418,347.44 : x
  2. Step 2: Convert to fraction form
    757,886.48/1,045,890.60 = 418,347.44/x
  3. Step 3: Cross multiply
    757,886.48x = 1,045,890.60 × 418,347.44
  4. Step 4: Simplify right side
    757,886.48x = 437,545,655,030.06
  5. Step 5: Solve for x
    x = 437,545,655,030.06/757,886.48
  6. Step 6: Final answer
    x = 577,323.47

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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.