Home / 555,210.06-766,192.31-300,561.26

Finding the Fourth Proportional to 555,210.06, 766,192.31 and 300,561.26

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Solution

The fourth proportional to 555,210.06, 766,192.31 and 300,561.26 is: 414,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,210.06 : 766,192.31 = 300,561.26 : x
  2. Step 2: Convert to fraction form
    555,210.06/766,192.31 = 300,561.26/x
  3. Step 3: Cross multiply
    555,210.06x = 766,192.31 × 300,561.26
  4. Step 4: Simplify right side
    555,210.06x = 230,287,720,762.14
  5. Step 5: Solve for x
    x = 230,287,720,762.14/555,210.06
  6. Step 6: Final answer
    x = 414,775.84

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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.