Home / 758,734.04-1,047,074.22-419,224.28

Finding the Fourth Proportional to 758,734.04, 1,047,074.22 and 419,224.28

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Solution

The fourth proportional to 758,734.04, 1,047,074.22 and 419,224.28 is: 578,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,734.04 : 1,047,074.22 = 419,224.28 : x
  2. Step 2: Convert to fraction form
    758,734.04/1,047,074.22 = 419,224.28/x
  3. Step 3: Cross multiply
    758,734.04x = 1,047,074.22 × 419,224.28
  4. Step 4: Simplify right side
    758,734.04x = 438,958,935,986.06
  5. Step 5: Solve for x
    x = 438,958,935,986.06/758,734.04
  6. Step 6: Final answer
    x = 578,541.24

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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.