Home / 628,875.20-943,312.80-376,932.80

Finding the Fourth Proportional to 628,875.20, 943,312.80 and 376,932.80

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Solution

The fourth proportional to 628,875.20, 943,312.80 and 376,932.80 is: 565,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,875.20 : 943,312.80 = 376,932.80 : x
  2. Step 2: Convert to fraction form
    628,875.20/943,312.80 = 376,932.80/x
  3. Step 3: Cross multiply
    628,875.20x = 943,312.80 × 376,932.80
  4. Step 4: Simplify right side
    628,875.20x = 355,565,534,979.84
  5. Step 5: Solve for x
    x = 355,565,534,979.84/628,875.20
  6. Step 6: Final answer
    x = 565,399.20

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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.