Home / 607,755.20-911,632.80-537,771.20

Finding the Fourth Proportional to 607,755.20, 911,632.80 and 537,771.20

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Solution

The fourth proportional to 607,755.20, 911,632.80 and 537,771.20 is: 806,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,755.20 : 911,632.80 = 537,771.20 : x
  2. Step 2: Convert to fraction form
    607,755.20/911,632.80 = 537,771.20/x
  3. Step 3: Cross multiply
    607,755.20x = 911,632.80 × 537,771.20
  4. Step 4: Simplify right side
    607,755.20x = 490,249,864,815.36
  5. Step 5: Solve for x
    x = 490,249,864,815.36/607,755.20
  6. Step 6: Final answer
    x = 806,656.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.