Home / 755,899.91-1,043,141.93-416,368.16

Finding the Fourth Proportional to 755,899.91, 1,043,141.93 and 416,368.16

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Solution

The fourth proportional to 755,899.91, 1,043,141.93 and 416,368.16 is: 574,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,899.91 : 1,043,141.93 = 416,368.16 : x
  2. Step 2: Convert to fraction form
    755,899.91/1,043,141.93 = 416,368.16/x
  3. Step 3: Cross multiply
    755,899.91x = 1,043,141.93 × 416,368.16
  4. Step 4: Simplify right side
    755,899.91x = 434,331,087,412.05
  5. Step 5: Solve for x
    x = 434,331,087,412.05/755,899.91
  6. Step 6: Final answer
    x = 574,588.09

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1.5x scale

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.