Home / 767,763.44-1,059,510.57-423,620.79

Finding the Fourth Proportional to 767,763.44, 1,059,510.57 and 423,620.79

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Solution

The fourth proportional to 767,763.44, 1,059,510.57 and 423,620.79 is: 584,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,763.44 : 1,059,510.57 = 423,620.79 : x
  2. Step 2: Convert to fraction form
    767,763.44/1,059,510.57 = 423,620.79/x
  3. Step 3: Cross multiply
    767,763.44x = 1,059,510.57 × 423,620.79
  4. Step 4: Simplify right side
    767,763.44x = 448,830,704,676.75
  5. Step 5: Solve for x
    x = 448,830,704,676.75/767,763.44
  6. Step 6: Final answer
    x = 584,595.05

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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.