Home / 860,937.40-1,290,945.30-361,737.40

Finding the Fourth Proportional to 860,937.40, 1,290,945.30 and 361,737.40

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Solution

The fourth proportional to 860,937.40, 1,290,945.30 and 361,737.40 is: 542,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,937.40 : 1,290,945.30 = 361,737.40 : x
  2. Step 2: Convert to fraction form
    860,937.40/1,290,945.30 = 361,737.40/x
  3. Step 3: Cross multiply
    860,937.40x = 1,290,945.30 × 361,737.40
  4. Step 4: Simplify right side
    860,937.40x = 466,983,196,364.22
  5. Step 5: Solve for x
    x = 466,983,196,364.22/860,937.40
  6. Step 6: Final answer
    x = 542,412.49

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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.