Home / 755,637.10-1,133,535.09-435,781.69

Finding the Fourth Proportional to 755,637.10, 1,133,535.09 and 435,781.69

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Solution

The fourth proportional to 755,637.10, 1,133,535.09 and 435,781.69 is: 653,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,637.10 : 1,133,535.09 = 435,781.69 : x
  2. Step 2: Convert to fraction form
    755,637.10/1,133,535.09 = 435,781.69/x
  3. Step 3: Cross multiply
    755,637.10x = 1,133,535.09 × 435,781.69
  4. Step 4: Simplify right side
    755,637.10x = 493,973,837,194.50
  5. Step 5: Solve for x
    x = 493,973,837,194.50/755,637.10
  6. Step 6: Final answer
    x = 653,718.35

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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.