Home / 404,109.60-607,330.80-397,111.20

Finding the Fourth Proportional to 404,109.60, 607,330.80 and 397,111.20

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Solution

The fourth proportional to 404,109.60, 607,330.80 and 397,111.20 is: 596,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,109.60 : 607,330.80 = 397,111.20 : x
  2. Step 2: Convert to fraction form
    404,109.60/607,330.80 = 397,111.20/x
  3. Step 3: Cross multiply
    404,109.60x = 607,330.80 × 397,111.20
  4. Step 4: Simplify right side
    404,109.60x = 241,177,862,784.96
  5. Step 5: Solve for x
    x = 241,177,862,784.96/404,109.60
  6. Step 6: Final answer
    x = 596,813.00

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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.