Home / 750,949.12-1,036,314.80-406,785.07

Finding the Fourth Proportional to 750,949.12, 1,036,314.80 and 406,785.07

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Solution

The fourth proportional to 750,949.12, 1,036,314.80 and 406,785.07 is: 561,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,949.12 : 1,036,314.80 = 406,785.07 : x
  2. Step 2: Convert to fraction form
    750,949.12/1,036,314.80 = 406,785.07/x
  3. Step 3: Cross multiply
    750,949.12x = 1,036,314.80 × 406,785.07
  4. Step 4: Simplify right side
    750,949.12x = 421,557,388,460.04
  5. Step 5: Solve for x
    x = 421,557,388,460.04/750,949.12
  6. Step 6: Final answer
    x = 561,366.11

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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.