Home / 758,769.57-1,047,590.15-486,954.63

Finding the Fourth Proportional to 758,769.57, 1,047,590.15 and 486,954.63

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Solution

The fourth proportional to 758,769.57, 1,047,590.15 and 486,954.63 is: 672,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,769.57 : 1,047,590.15 = 486,954.63 : x
  2. Step 2: Convert to fraction form
    758,769.57/1,047,590.15 = 486,954.63/x
  3. Step 3: Cross multiply
    758,769.57x = 1,047,590.15 × 486,954.63
  4. Step 4: Simplify right side
    758,769.57x = 510,128,871,450.12
  5. Step 5: Solve for x
    x = 510,128,871,450.12/758,769.57
  6. Step 6: Final answer
    x = 672,310.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.