Home / 772,532.80-1,160,111.40-573,078.40

Finding the Fourth Proportional to 772,532.80, 1,160,111.40 and 573,078.40

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Solution

The fourth proportional to 772,532.80, 1,160,111.40 and 573,078.40 is: 860,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,532.80 : 1,160,111.40 = 573,078.40 : x
  2. Step 2: Convert to fraction form
    772,532.80/1,160,111.40 = 573,078.40/x
  3. Step 3: Cross multiply
    772,532.80x = 1,160,111.40 × 573,078.40
  4. Step 4: Simplify right side
    772,532.80x = 664,834,784,933.76
  5. Step 5: Solve for x
    x = 664,834,784,933.76/772,532.80
  6. Step 6: Final answer
    x = 860,591.01

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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.