Home / 812,632.98-1,121,620.14-540,712.29

Finding the Fourth Proportional to 812,632.98, 1,121,620.14 and 540,712.29

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Solution

The fourth proportional to 812,632.98, 1,121,620.14 and 540,712.29 is: 746,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,632.98 : 1,121,620.14 = 540,712.29 : x
  2. Step 2: Convert to fraction form
    812,632.98/1,121,620.14 = 540,712.29/x
  3. Step 3: Cross multiply
    812,632.98x = 1,121,620.14 × 540,712.29
  4. Step 4: Simplify right side
    812,632.98x = 606,473,794,409.52
  5. Step 5: Solve for x
    x = 606,473,794,409.52/812,632.98
  6. Step 6: Final answer
    x = 746,307.14

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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.