Home / 750,890.36-1,036,223.34-406,718.52

Finding the Fourth Proportional to 750,890.36, 1,036,223.34 and 406,718.52

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Solution

The fourth proportional to 750,890.36, 1,036,223.34 and 406,718.52 is: 561,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,890.36 : 1,036,223.34 = 406,718.52 : x
  2. Step 2: Convert to fraction form
    750,890.36/1,036,223.34 = 406,718.52/x
  3. Step 3: Cross multiply
    750,890.36x = 1,036,223.34 × 406,718.52
  4. Step 4: Simplify right side
    750,890.36x = 421,451,223,234.26
  5. Step 5: Solve for x
    x = 421,451,223,234.26/750,890.36
  6. Step 6: Final answer
    x = 561,268.66

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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.