Home / 750,888.72-1,036,220.04-406,725.20

Finding the Fourth Proportional to 750,888.72, 1,036,220.04 and 406,725.20

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Solution

The fourth proportional to 750,888.72, 1,036,220.04 and 406,725.20 is: 561,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,888.72 : 1,036,220.04 = 406,725.20 : x
  2. Step 2: Convert to fraction form
    750,888.72/1,036,220.04 = 406,725.20/x
  3. Step 3: Cross multiply
    750,888.72x = 1,036,220.04 × 406,725.20
  4. Step 4: Simplify right side
    750,888.72x = 421,456,803,013.01
  5. Step 5: Solve for x
    x = 421,456,803,013.01/750,888.72
  6. Step 6: Final answer
    x = 561,277.31

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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.