Home / 761,496.09-1,141,948.89-406,316.37

Finding the Fourth Proportional to 761,496.09, 1,141,948.89 and 406,316.37

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Solution

The fourth proportional to 761,496.09, 1,141,948.89 and 406,316.37 is: 609,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,496.09 : 1,141,948.89 = 406,316.37 : x
  2. Step 2: Convert to fraction form
    761,496.09/1,141,948.89 = 406,316.37/x
  3. Step 3: Cross multiply
    761,496.09x = 1,141,948.89 × 406,316.37
  4. Step 4: Simplify right side
    761,496.09x = 463,992,527,710.33
  5. Step 5: Solve for x
    x = 463,992,527,710.33/761,496.09
  6. Step 6: Final answer
    x = 609,317.02

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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.