Home / 651,207.80-976,763.10-272,030.60

Finding the Fourth Proportional to 651,207.80, 976,763.10 and 272,030.60

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Solution

The fourth proportional to 651,207.80, 976,763.10 and 272,030.60 is: 408,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,207.80 : 976,763.10 = 272,030.60 : x
  2. Step 2: Convert to fraction form
    651,207.80/976,763.10 = 272,030.60/x
  3. Step 3: Cross multiply
    651,207.80x = 976,763.10 × 272,030.60
  4. Step 4: Simplify right side
    651,207.80x = 265,709,452,150.86
  5. Step 5: Solve for x
    x = 265,709,452,150.86/651,207.80
  6. Step 6: Final answer
    x = 408,025.60

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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.