Home / 750,516.89-1,035,700.86-406,350.07

Finding the Fourth Proportional to 750,516.89, 1,035,700.86 and 406,350.07

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Solution

The fourth proportional to 750,516.89, 1,035,700.86 and 406,350.07 is: 560,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,516.89 : 1,035,700.86 = 406,350.07 : x
  2. Step 2: Convert to fraction form
    750,516.89/1,035,700.86 = 406,350.07/x
  3. Step 3: Cross multiply
    750,516.89x = 1,035,700.86 × 406,350.07
  4. Step 4: Simplify right side
    750,516.89x = 420,857,112,466.04
  5. Step 5: Solve for x
    x = 420,857,112,466.04/750,516.89
  6. Step 6: Final answer
    x = 560,756.35

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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.