Home / 730,314.90-1,007,815.95-408,027.42

Finding the Fourth Proportional to 730,314.90, 1,007,815.95 and 408,027.42

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Solution

The fourth proportional to 730,314.90, 1,007,815.95 and 408,027.42 is: 563,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,314.90 : 1,007,815.95 = 408,027.42 : x
  2. Step 2: Convert to fraction form
    730,314.90/1,007,815.95 = 408,027.42/x
  3. Step 3: Cross multiply
    730,314.90x = 1,007,815.95 × 408,027.42
  4. Step 4: Simplify right side
    730,314.90x = 411,216,541,913.35
  5. Step 5: Solve for x
    x = 411,216,541,913.35/730,314.90
  6. Step 6: Final answer
    x = 563,067.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.