Home / 758,881.80-1,047,257.27-419,350.05

Finding the Fourth Proportional to 758,881.80, 1,047,257.27 and 419,350.05

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Solution

The fourth proportional to 758,881.80, 1,047,257.27 and 419,350.05 is: 578,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,881.80 : 1,047,257.27 = 419,350.05 : x
  2. Step 2: Convert to fraction form
    758,881.80/1,047,257.27 = 419,350.05/x
  3. Step 3: Cross multiply
    758,881.80x = 1,047,257.27 × 419,350.05
  4. Step 4: Simplify right side
    758,881.80x = 439,167,388,537.36
  5. Step 5: Solve for x
    x = 439,167,388,537.36/758,881.80
  6. Step 6: Final answer
    x = 578,703.28

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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.