Home / 761,357.33-1,050,673.11-455,446.61

Finding the Fourth Proportional to 761,357.33, 1,050,673.11 and 455,446.61

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Solution

The fourth proportional to 761,357.33, 1,050,673.11 and 455,446.61 is: 628,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,357.33 : 1,050,673.11 = 455,446.61 : x
  2. Step 2: Convert to fraction form
    761,357.33/1,050,673.11 = 455,446.61/x
  3. Step 3: Cross multiply
    761,357.33x = 1,050,673.11 × 455,446.61
  4. Step 4: Simplify right side
    761,357.33x = 478,525,500,914.29
  5. Step 5: Solve for x
    x = 478,525,500,914.29/761,357.33
  6. Step 6: Final answer
    x = 628,516.32

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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.