Home / 758,500.34-1,137,596.51-278,563.19

Finding the Fourth Proportional to 758,500.34, 1,137,596.51 and 278,563.19

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Solution

The fourth proportional to 758,500.34, 1,137,596.51 and 278,563.19 is: 417,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,500.34 : 1,137,596.51 = 278,563.19 : x
  2. Step 2: Convert to fraction form
    758,500.34/1,137,596.51 = 278,563.19/x
  3. Step 3: Cross multiply
    758,500.34x = 1,137,596.51 × 278,563.19
  4. Step 4: Simplify right side
    758,500.34x = 316,892,515,602.46
  5. Step 5: Solve for x
    x = 316,892,515,602.46/758,500.34
  6. Step 6: Final answer
    x = 417,788.23

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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.