Home / 456,411.84-629,799.87-252,430.35

Finding the Fourth Proportional to 456,411.84, 629,799.87 and 252,430.35

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Solution

The fourth proportional to 456,411.84, 629,799.87 and 252,430.35 is: 348,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,411.84 : 629,799.87 = 252,430.35 : x
  2. Step 2: Convert to fraction form
    456,411.84/629,799.87 = 252,430.35/x
  3. Step 3: Cross multiply
    456,411.84x = 629,799.87 × 252,430.35
  4. Step 4: Simplify right side
    456,411.84x = 158,980,600,198.92
  5. Step 5: Solve for x
    x = 158,980,600,198.92/456,411.84
  6. Step 6: Final answer
    x = 348,327.08

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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.