Home / 766,409.40-1,148,727.06-361,858.14

Finding the Fourth Proportional to 766,409.40, 1,148,727.06 and 361,858.14

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Solution

The fourth proportional to 766,409.40, 1,148,727.06 and 361,858.14 is: 542,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,409.40 : 1,148,727.06 = 361,858.14 : x
  2. Step 2: Convert to fraction form
    766,409.40/1,148,727.06 = 361,858.14/x
  3. Step 3: Cross multiply
    766,409.40x = 1,148,727.06 × 361,858.14
  4. Step 4: Simplify right side
    766,409.40x = 415,676,237,299.27
  5. Step 5: Solve for x
    x = 415,676,237,299.27/766,409.40
  6. Step 6: Final answer
    x = 542,368.40

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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.