Home / 436,583.40-654,875.10-330,295.20

Finding the Fourth Proportional to 436,583.40, 654,875.10 and 330,295.20

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Solution

The fourth proportional to 436,583.40, 654,875.10 and 330,295.20 is: 495,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,583.40 : 654,875.10 = 330,295.20 : x
  2. Step 2: Convert to fraction form
    436,583.40/654,875.10 = 330,295.20/x
  3. Step 3: Cross multiply
    436,583.40x = 654,875.10 × 330,295.20
  4. Step 4: Simplify right side
    436,583.40x = 216,302,102,129.52
  5. Step 5: Solve for x
    x = 216,302,102,129.52/436,583.40
  6. Step 6: Final answer
    x = 495,442.80

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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.