Home / 434,423.20-651,634.80-292,705.60

Finding the Fourth Proportional to 434,423.20, 651,634.80 and 292,705.60

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Solution

The fourth proportional to 434,423.20, 651,634.80 and 292,705.60 is: 439,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,423.20 : 651,634.80 = 292,705.60 : x
  2. Step 2: Convert to fraction form
    434,423.20/651,634.80 = 292,705.60/x
  3. Step 3: Cross multiply
    434,423.20x = 651,634.80 × 292,705.60
  4. Step 4: Simplify right side
    434,423.20x = 190,737,155,114.88
  5. Step 5: Solve for x
    x = 190,737,155,114.88/434,423.20
  6. Step 6: Final answer
    x = 439,058.40

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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.