Home / 755,303.72-1,042,332.42-411,149.54

Finding the Fourth Proportional to 755,303.72, 1,042,332.42 and 411,149.54

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Solution

The fourth proportional to 755,303.72, 1,042,332.42 and 411,149.54 is: 567,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,303.72 : 1,042,332.42 = 411,149.54 : x
  2. Step 2: Convert to fraction form
    755,303.72/1,042,332.42 = 411,149.54/x
  3. Step 3: Cross multiply
    755,303.72x = 1,042,332.42 × 411,149.54
  4. Step 4: Simplify right side
    755,303.72x = 428,554,495,010.09
  5. Step 5: Solve for x
    x = 428,554,495,010.09/755,303.72
  6. Step 6: Final answer
    x = 567,393.60

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1.5x scale

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.