Home / 436,140.10-654,210.15-404,647.30

Finding the Fourth Proportional to 436,140.10, 654,210.15 and 404,647.30

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Solution

The fourth proportional to 436,140.10, 654,210.15 and 404,647.30 is: 606,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,140.10 : 654,210.15 = 404,647.30 : x
  2. Step 2: Convert to fraction form
    436,140.10/654,210.15 = 404,647.30/x
  3. Step 3: Cross multiply
    436,140.10x = 654,210.15 × 404,647.30
  4. Step 4: Simplify right side
    436,140.10x = 264,724,370,830.10
  5. Step 5: Solve for x
    x = 264,724,370,830.10/436,140.10
  6. Step 6: Final answer
    x = 606,970.95

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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.