Home / 917,733.90-1,376,627.99-438,012.25

Finding the Fourth Proportional to 917,733.90, 1,376,627.99 and 438,012.25

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Solution

The fourth proportional to 917,733.90, 1,376,627.99 and 438,012.25 is: 657,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,733.90 : 1,376,627.99 = 438,012.25 : x
  2. Step 2: Convert to fraction form
    917,733.90/1,376,627.99 = 438,012.25/x
  3. Step 3: Cross multiply
    917,733.90x = 1,376,627.99 × 438,012.25
  4. Step 4: Simplify right side
    917,733.90x = 602,979,923,312.88
  5. Step 5: Solve for x
    x = 602,979,923,312.88/917,733.90
  6. Step 6: Final answer
    x = 657,031.33

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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.