Home / 758,741.04-1,047,083.88-419,231.28

Finding the Fourth Proportional to 758,741.04, 1,047,083.88 and 419,231.28

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Solution

The fourth proportional to 758,741.04, 1,047,083.88 and 419,231.28 is: 578,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,741.04 : 1,047,083.88 = 419,231.28 : x
  2. Step 2: Convert to fraction form
    758,741.04/1,047,083.88 = 419,231.28/x
  3. Step 3: Cross multiply
    758,741.04x = 1,047,083.88 × 419,231.28
  4. Step 4: Simplify right side
    758,741.04x = 438,970,315,279.77
  5. Step 5: Solve for x
    x = 438,970,315,279.77/758,741.04
  6. Step 6: Final answer
    x = 578,550.90

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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.