Home / 516,459.21-774,733.46-142,482.21

Finding the Fourth Proportional to 516,459.21, 774,733.46 and 142,482.21

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Solution

The fourth proportional to 516,459.21, 774,733.46 and 142,482.21 is: 213,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,459.21 : 774,733.46 = 142,482.21 : x
  2. Step 2: Convert to fraction form
    516,459.21/774,733.46 = 142,482.21/x
  3. Step 3: Cross multiply
    516,459.21x = 774,733.46 × 142,482.21
  4. Step 4: Simplify right side
    516,459.21x = 110,385,734,829.34
  5. Step 5: Solve for x
    x = 110,385,734,829.34/516,459.21
  6. Step 6: Final answer
    x = 213,735.63

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1.5x scale

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.