Home / 773,721.60-1,160,582.40-615,091.20

Finding the Fourth Proportional to 773,721.60, 1,160,582.40 and 615,091.20

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Solution

The fourth proportional to 773,721.60, 1,160,582.40 and 615,091.20 is: 922,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,721.60 : 1,160,582.40 = 615,091.20 : x
  2. Step 2: Convert to fraction form
    773,721.60/1,160,582.40 = 615,091.20/x
  3. Step 3: Cross multiply
    773,721.60x = 1,160,582.40 × 615,091.20
  4. Step 4: Simplify right side
    773,721.60x = 713,864,021,114.88
  5. Step 5: Solve for x
    x = 713,864,021,114.88/773,721.60
  6. Step 6: Final answer
    x = 922,636.80

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1.5x scale

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.