Home / 750,218.76-1,035,301.81-406,054.63

Finding the Fourth Proportional to 750,218.76, 1,035,301.81 and 406,054.63

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Solution

The fourth proportional to 750,218.76, 1,035,301.81 and 406,054.63 is: 560,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,218.76 : 1,035,301.81 = 406,054.63 : x
  2. Step 2: Convert to fraction form
    750,218.76/1,035,301.81 = 406,054.63/x
  3. Step 3: Cross multiply
    750,218.76x = 1,035,301.81 × 406,054.63
  4. Step 4: Simplify right side
    750,218.76x = 420,389,086,191.10
  5. Step 5: Solve for x
    x = 420,389,086,191.10/750,218.76
  6. Step 6: Final answer
    x = 560,355.34

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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.