Home / 904,408.08-1,356,804.12-343,430.16

Finding the Fourth Proportional to 904,408.08, 1,356,804.12 and 343,430.16

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Solution

The fourth proportional to 904,408.08, 1,356,804.12 and 343,430.16 is: 515,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,408.08 : 1,356,804.12 = 343,430.16 : x
  2. Step 2: Convert to fraction form
    904,408.08/1,356,804.12 = 343,430.16/x
  3. Step 3: Cross multiply
    904,408.08x = 1,356,804.12 × 343,430.16
  4. Step 4: Simplify right side
    904,408.08x = 465,967,456,020.26
  5. Step 5: Solve for x
    x = 465,967,456,020.26/904,408.08
  6. Step 6: Final answer
    x = 515,218.15

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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.