Home / 875,180.80-1,207,974.20-570,017.60

Finding the Fourth Proportional to 875,180.80, 1,207,974.20 and 570,017.60

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Solution

The fourth proportional to 875,180.80, 1,207,974.20 and 570,017.60 is: 786,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,180.80 : 1,207,974.20 = 570,017.60 : x
  2. Step 2: Convert to fraction form
    875,180.80/1,207,974.20 = 570,017.60/x
  3. Step 3: Cross multiply
    875,180.80x = 1,207,974.20 × 570,017.60
  4. Step 4: Simplify right side
    875,180.80x = 688,566,554,345.92
  5. Step 5: Solve for x
    x = 688,566,554,345.92/875,180.80
  6. Step 6: Final answer
    x = 786,770.64

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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.