Home / 857,933.88-1,285,570.35-497,210.03

Finding the Fourth Proportional to 857,933.88, 1,285,570.35 and 497,210.03

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Solution

The fourth proportional to 857,933.88, 1,285,570.35 and 497,210.03 is: 745,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,933.88 : 1,285,570.35 = 497,210.03 : x
  2. Step 2: Convert to fraction form
    857,933.88/1,285,570.35 = 497,210.03/x
  3. Step 3: Cross multiply
    857,933.88x = 1,285,570.35 × 497,210.03
  4. Step 4: Simplify right side
    857,933.88x = 639,198,472,290.61
  5. Step 5: Solve for x
    x = 639,198,472,290.61/857,933.88
  6. Step 6: Final answer
    x = 745,043.98

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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.