Home / 750,920.24-1,036,263.72-406,748.18

Finding the Fourth Proportional to 750,920.24, 1,036,263.72 and 406,748.18

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Solution

The fourth proportional to 750,920.24, 1,036,263.72 and 406,748.18 is: 561,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,920.24 : 1,036,263.72 = 406,748.18 : x
  2. Step 2: Convert to fraction form
    750,920.24/1,036,263.72 = 406,748.18/x
  3. Step 3: Cross multiply
    750,920.24x = 1,036,263.72 × 406,748.18
  4. Step 4: Simplify right side
    750,920.24x = 421,498,382,110.03
  5. Step 5: Solve for x
    x = 421,498,382,110.03/750,920.24
  6. Step 6: Final answer
    x = 561,309.12

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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.