Home / 750,920.23-1,036,263.72-406,748.17

Finding the Fourth Proportional to 750,920.23, 1,036,263.72 and 406,748.17

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Solution

The fourth proportional to 750,920.23, 1,036,263.72 and 406,748.17 is: 561,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,920.23 : 1,036,263.72 = 406,748.17 : x
  2. Step 2: Convert to fraction form
    750,920.23/1,036,263.72 = 406,748.17/x
  3. Step 3: Cross multiply
    750,920.23x = 1,036,263.72 × 406,748.17
  4. Step 4: Simplify right side
    750,920.23x = 421,498,371,747.39
  5. Step 5: Solve for x
    x = 421,498,371,747.39/750,920.23
  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.