Home / 767,775.40-1,059,527.13-423,632.80

Finding the Fourth Proportional to 767,775.40, 1,059,527.13 and 423,632.80

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Solution

The fourth proportional to 767,775.40, 1,059,527.13 and 423,632.80 is: 584,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,775.40 : 1,059,527.13 = 423,632.80 : x
  2. Step 2: Convert to fraction form
    767,775.40/1,059,527.13 = 423,632.80/x
  3. Step 3: Cross multiply
    767,775.40x = 1,059,527.13 × 423,632.80
  4. Step 4: Simplify right side
    767,775.40x = 448,850,444,757.86
  5. Step 5: Solve for x
    x = 448,850,444,757.86/767,775.40
  6. Step 6: Final answer
    x = 584,611.65

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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.