Home / 772,578.80-1,160,180.40-573,124.40

Finding the Fourth Proportional to 772,578.80, 1,160,180.40 and 573,124.40

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Solution

The fourth proportional to 772,578.80, 1,160,180.40 and 573,124.40 is: 860,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,578.80 : 1,160,180.40 = 573,124.40 : x
  2. Step 2: Convert to fraction form
    772,578.80/1,160,180.40 = 573,124.40/x
  3. Step 3: Cross multiply
    772,578.80x = 1,160,180.40 × 573,124.40
  4. Step 4: Simplify right side
    772,578.80x = 664,927,695,641.76
  5. Step 5: Solve for x
    x = 664,927,695,641.76/772,578.80
  6. Step 6: Final answer
    x = 860,660.03

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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.