Home / 436,278.60-652,862.70-302,531.40

Finding the Fourth Proportional to 436,278.60, 652,862.70 and 302,531.40

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Solution

The fourth proportional to 436,278.60, 652,862.70 and 302,531.40 is: 452,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,278.60 : 652,862.70 = 302,531.40 : x
  2. Step 2: Convert to fraction form
    436,278.60/652,862.70 = 302,531.40/x
  3. Step 3: Cross multiply
    436,278.60x = 652,862.70 × 302,531.40
  4. Step 4: Simplify right side
    436,278.60x = 197,511,466,638.78
  5. Step 5: Solve for x
    x = 197,511,466,638.78/436,278.60
  6. Step 6: Final answer
    x = 452,718.67

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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.