Home / 756,254.64-1,133,312.72-419,443.68

Finding the Fourth Proportional to 756,254.64, 1,133,312.72 and 419,443.68

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Solution

The fourth proportional to 756,254.64, 1,133,312.72 and 419,443.68 is: 628,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,254.64 : 1,133,312.72 = 419,443.68 : x
  2. Step 2: Convert to fraction form
    756,254.64/1,133,312.72 = 419,443.68/x
  3. Step 3: Cross multiply
    756,254.64x = 1,133,312.72 × 419,443.68
  4. Step 4: Simplify right side
    756,254.64x = 475,360,857,867.61
  5. Step 5: Solve for x
    x = 475,360,857,867.61/756,254.64
  6. Step 6: Final answer
    x = 628,572.48

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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.