Home / 750,727.55-1,036,002.47-406,562.40

Finding the Fourth Proportional to 750,727.55, 1,036,002.47 and 406,562.40

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Solution

The fourth proportional to 750,727.55, 1,036,002.47 and 406,562.40 is: 561,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,727.55 : 1,036,002.47 = 406,562.40 : x
  2. Step 2: Convert to fraction form
    750,727.55/1,036,002.47 = 406,562.40/x
  3. Step 3: Cross multiply
    750,727.55x = 1,036,002.47 × 406,562.40
  4. Step 4: Simplify right side
    750,727.55x = 421,199,648,576.32
  5. Step 5: Solve for x
    x = 421,199,648,576.32/750,727.55
  6. Step 6: Final answer
    x = 561,055.27

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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.