Home / 761,479.82-1,050,819.21-417,311.54

Finding the Fourth Proportional to 761,479.82, 1,050,819.21 and 417,311.54

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Solution

The fourth proportional to 761,479.82, 1,050,819.21 and 417,311.54 is: 575,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,479.82 : 1,050,819.21 = 417,311.54 : x
  2. Step 2: Convert to fraction form
    761,479.82/1,050,819.21 = 417,311.54/x
  3. Step 3: Cross multiply
    761,479.82x = 1,050,819.21 × 417,311.54
  4. Step 4: Simplify right side
    761,479.82x = 438,518,982,786.68
  5. Step 5: Solve for x
    x = 438,518,982,786.68/761,479.82
  6. Step 6: Final answer
    x = 575,877.35

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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.