Home / 773,437.18-1,067,539.49-528,521.07

Finding the Fourth Proportional to 773,437.18, 1,067,539.49 and 528,521.07

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Solution

The fourth proportional to 773,437.18, 1,067,539.49 and 528,521.07 is: 729,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,437.18 : 1,067,539.49 = 528,521.07 : x
  2. Step 2: Convert to fraction form
    773,437.18/1,067,539.49 = 528,521.07/x
  3. Step 3: Cross multiply
    773,437.18x = 1,067,539.49 × 528,521.07
  4. Step 4: Simplify right side
    773,437.18x = 564,217,110,879.45
  5. Step 5: Solve for x
    x = 564,217,110,879.45/773,437.18
  6. Step 6: Final answer
    x = 729,493.14

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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.