Home / 751,061.65-1,036,458.30-406,889.68

Finding the Fourth Proportional to 751,061.65, 1,036,458.30 and 406,889.68

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Solution

The fourth proportional to 751,061.65, 1,036,458.30 and 406,889.68 is: 561,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,061.65 : 1,036,458.30 = 406,889.68 : x
  2. Step 2: Convert to fraction form
    751,061.65/1,036,458.30 = 406,889.68/x
  3. Step 3: Cross multiply
    751,061.65x = 1,036,458.30 × 406,889.68
  4. Step 4: Simplify right side
    751,061.65x = 421,724,186,020.34
  5. Step 5: Solve for x
    x = 421,724,186,020.34/751,061.65
  6. Step 6: Final answer
    x = 561,504.09

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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.