Home / 719,818.72-1,078,897.59-270,252.86

Finding the Fourth Proportional to 719,818.72, 1,078,897.59 and 270,252.86

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Solution

The fourth proportional to 719,818.72, 1,078,897.59 and 270,252.86 is: 405,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,818.72 : 1,078,897.59 = 270,252.86 : x
  2. Step 2: Convert to fraction form
    719,818.72/1,078,897.59 = 270,252.86/x
  3. Step 3: Cross multiply
    719,818.72x = 1,078,897.59 × 270,252.86
  4. Step 4: Simplify right side
    719,818.72x = 291,575,153,950.12
  5. Step 5: Solve for x
    x = 291,575,153,950.12/719,818.72
  6. Step 6: Final answer
    x = 405,067.48

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1.5x scale

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.