Home / 788,249.91-1,087,962.05-516,159.77

Finding the Fourth Proportional to 788,249.91, 1,087,962.05 and 516,159.77

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Solution

The fourth proportional to 788,249.91, 1,087,962.05 and 516,159.77 is: 712,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,249.91 : 1,087,962.05 = 516,159.77 : x
  2. Step 2: Convert to fraction form
    788,249.91/1,087,962.05 = 516,159.77/x
  3. Step 3: Cross multiply
    788,249.91x = 1,087,962.05 × 516,159.77
  4. Step 4: Simplify right side
    788,249.91x = 561,562,241,496.73
  5. Step 5: Solve for x
    x = 561,562,241,496.73/788,249.91
  6. Step 6: Final answer
    x = 712,416.50

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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.