Home / 434,411.20-651,616.80-292,693.60

Finding the Fourth Proportional to 434,411.20, 651,616.80 and 292,693.60

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Solution

The fourth proportional to 434,411.20, 651,616.80 and 292,693.60 is: 439,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,411.20 : 651,616.80 = 292,693.60 : x
  2. Step 2: Convert to fraction form
    434,411.20/651,616.80 = 292,693.60/x
  3. Step 3: Cross multiply
    434,411.20x = 651,616.80 × 292,693.60
  4. Step 4: Simplify right side
    434,411.20x = 190,724,067,012.48
  5. Step 5: Solve for x
    x = 190,724,067,012.48/434,411.20
  6. Step 6: Final answer
    x = 439,040.40

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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.