Home / 761,358.33-1,050,674.49-455,447.61

Finding the Fourth Proportional to 761,358.33, 1,050,674.49 and 455,447.61

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Solution

The fourth proportional to 761,358.33, 1,050,674.49 and 455,447.61 is: 628,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,358.33 : 1,050,674.49 = 455,447.61 : x
  2. Step 2: Convert to fraction form
    761,358.33/1,050,674.49 = 455,447.61/x
  3. Step 3: Cross multiply
    761,358.33x = 1,050,674.49 × 455,447.61
  4. Step 4: Simplify right side
    761,358.33x = 478,527,185,358.47
  5. Step 5: Solve for x
    x = 478,527,185,358.47/761,358.33
  6. Step 6: Final answer
    x = 628,517.70

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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.