Home / 730,618.80-1,095,928.20-615,145.20

Finding the Fourth Proportional to 730,618.80, 1,095,928.20 and 615,145.20

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Solution

The fourth proportional to 730,618.80, 1,095,928.20 and 615,145.20 is: 922,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,618.80 : 1,095,928.20 = 615,145.20 : x
  2. Step 2: Convert to fraction form
    730,618.80/1,095,928.20 = 615,145.20/x
  3. Step 3: Cross multiply
    730,618.80x = 1,095,928.20 × 615,145.20
  4. Step 4: Simplify right side
    730,618.80x = 674,154,971,774.64
  5. Step 5: Solve for x
    x = 674,154,971,774.64/730,618.80
  6. Step 6: Final answer
    x = 922,717.80

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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.