Home / 766,779.59-1,150,382.75-334,534.87

Finding the Fourth Proportional to 766,779.59, 1,150,382.75 and 334,534.87

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Solution

The fourth proportional to 766,779.59, 1,150,382.75 and 334,534.87 is: 501,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,779.59 : 1,150,382.75 = 334,534.87 : x
  2. Step 2: Convert to fraction form
    766,779.59/1,150,382.75 = 334,534.87/x
  3. Step 3: Cross multiply
    766,779.59x = 1,150,382.75 × 334,534.87
  4. Step 4: Simplify right side
    766,779.59x = 384,843,143,721.49
  5. Step 5: Solve for x
    x = 384,843,143,721.49/766,779.59
  6. Step 6: Final answer
    x = 501,895.39

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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.