Home / 761,133.33-1,050,363.90-455,209.66

Finding the Fourth Proportional to 761,133.33, 1,050,363.90 and 455,209.66

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Solution

The fourth proportional to 761,133.33, 1,050,363.90 and 455,209.66 is: 628,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,133.33 : 1,050,363.90 = 455,209.66 : x
  2. Step 2: Convert to fraction form
    761,133.33/1,050,363.90 = 455,209.66/x
  3. Step 3: Cross multiply
    761,133.33x = 1,050,363.90 × 455,209.66
  4. Step 4: Simplify right side
    761,133.33x = 478,135,790,315.85
  5. Step 5: Solve for x
    x = 478,135,790,315.85/761,133.33
  6. Step 6: Final answer
    x = 628,189.27

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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.