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Finding the Fourth Proportional to 404,585.60, 607,569.60 and 264,963.20

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Solution

The fourth proportional to 404,585.60, 607,569.60 and 264,963.20 is: 397,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,585.60 : 607,569.60 = 264,963.20 : x
  2. Step 2: Convert to fraction form
    404,585.60/607,569.60 = 264,963.20/x
  3. Step 3: Cross multiply
    404,585.60x = 607,569.60 × 264,963.20
  4. Step 4: Simplify right side
    404,585.60x = 160,983,585,438.72
  5. Step 5: Solve for x
    x = 160,983,585,438.72/404,585.60
  6. Step 6: Final answer
    x = 397,897.47

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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.