Home / 755,039.07-1,041,954.09-415,507.32

Finding the Fourth Proportional to 755,039.07, 1,041,954.09 and 415,507.32

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Solution

The fourth proportional to 755,039.07, 1,041,954.09 and 415,507.32 is: 573,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,039.07 : 1,041,954.09 = 415,507.32 : x
  2. Step 2: Convert to fraction form
    755,039.07/1,041,954.09 = 415,507.32/x
  3. Step 3: Cross multiply
    755,039.07x = 1,041,954.09 × 415,507.32
  4. Step 4: Simplify right side
    755,039.07x = 432,939,551,498.94
  5. Step 5: Solve for x
    x = 432,939,551,498.94/755,039.07
  6. Step 6: Final answer
    x = 573,400.20

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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.