Home / 761,497.09-1,141,950.39-406,317.37

Finding the Fourth Proportional to 761,497.09, 1,141,950.39 and 406,317.37

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Solution

The fourth proportional to 761,497.09, 1,141,950.39 and 406,317.37 is: 609,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,497.09 : 1,141,950.39 = 406,317.37 : x
  2. Step 2: Convert to fraction form
    761,497.09/1,141,950.39 = 406,317.37/x
  3. Step 3: Cross multiply
    761,497.09x = 1,141,950.39 × 406,317.37
  4. Step 4: Simplify right side
    761,497.09x = 463,994,279,135.27
  5. Step 5: Solve for x
    x = 463,994,279,135.27/761,497.09
  6. Step 6: Final answer
    x = 609,318.52

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1.5x scale

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.