Home / 404,829.20-607,632.60-345,731.60

Finding the Fourth Proportional to 404,829.20, 607,632.60 and 345,731.60

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Solution

The fourth proportional to 404,829.20, 607,632.60 and 345,731.60 is: 518,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,829.20 : 607,632.60 = 345,731.60 : x
  2. Step 2: Convert to fraction form
    404,829.20/607,632.60 = 345,731.60/x
  3. Step 3: Cross multiply
    404,829.20x = 607,632.60 × 345,731.60
  4. Step 4: Simplify right side
    404,829.20x = 210,077,791,010.16
  5. Step 5: Solve for x
    x = 210,077,791,010.16/404,829.20
  6. Step 6: Final answer
    x = 518,929.44

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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.