Home / 735,707.12-1,103,001.36-380,494.76

Finding the Fourth Proportional to 735,707.12, 1,103,001.36 and 380,494.76

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Solution

The fourth proportional to 735,707.12, 1,103,001.36 and 380,494.76 is: 570,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,707.12 : 1,103,001.36 = 380,494.76 : x
  2. Step 2: Convert to fraction form
    735,707.12/1,103,001.36 = 380,494.76/x
  3. Step 3: Cross multiply
    735,707.12x = 1,103,001.36 × 380,494.76
  4. Step 4: Simplify right side
    735,707.12x = 419,686,237,752.87
  5. Step 5: Solve for x
    x = 419,686,237,752.87/735,707.12
  6. Step 6: Final answer
    x = 570,452.87

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1.5x scale

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.