Home / 777,531.72-1,072,998.75-433,389.47

Finding the Fourth Proportional to 777,531.72, 1,072,998.75 and 433,389.47

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Solution

The fourth proportional to 777,531.72, 1,072,998.75 and 433,389.47 is: 598,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,531.72 : 1,072,998.75 = 433,389.47 : x
  2. Step 2: Convert to fraction form
    777,531.72/1,072,998.75 = 433,389.47/x
  3. Step 3: Cross multiply
    777,531.72x = 1,072,998.75 × 433,389.47
  4. Step 4: Simplify right side
    777,531.72x = 465,026,361,448.76
  5. Step 5: Solve for x
    x = 465,026,361,448.76/777,531.72
  6. Step 6: Final answer
    x = 598,080.24

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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.