Home / 740,671.96-1,110,970.72-260,923.52

Finding the Fourth Proportional to 740,671.96, 1,110,970.72 and 260,923.52

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Solution

The fourth proportional to 740,671.96, 1,110,970.72 and 260,923.52 is: 391,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,671.96 : 1,110,970.72 = 260,923.52 : x
  2. Step 2: Convert to fraction form
    740,671.96/1,110,970.72 = 260,923.52/x
  3. Step 3: Cross multiply
    740,671.96x = 1,110,970.72 × 260,923.52
  4. Step 4: Simplify right side
    740,671.96x = 289,878,390,879.33
  5. Step 5: Solve for x
    x = 289,878,390,879.33/740,671.96
  6. Step 6: Final answer
    x = 391,372.17

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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.