Home / 383,931.40-575,897.10-338,830.60

Finding the Fourth Proportional to 383,931.40, 575,897.10 and 338,830.60

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Solution

The fourth proportional to 383,931.40, 575,897.10 and 338,830.60 is: 508,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,931.40 : 575,897.10 = 338,830.60 : x
  2. Step 2: Convert to fraction form
    383,931.40/575,897.10 = 338,830.60/x
  3. Step 3: Cross multiply
    383,931.40x = 575,897.10 × 338,830.60
  4. Step 4: Simplify right side
    383,931.40x = 195,131,559,931.26
  5. Step 5: Solve for x
    x = 195,131,559,931.26/383,931.40
  6. Step 6: Final answer
    x = 508,245.90

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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.