Home / 756,979.76-1,044,602.75-430,335.59

Finding the Fourth Proportional to 756,979.76, 1,044,602.75 and 430,335.59

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Solution

The fourth proportional to 756,979.76, 1,044,602.75 and 430,335.59 is: 593,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,979.76 : 1,044,602.75 = 430,335.59 : x
  2. Step 2: Convert to fraction form
    756,979.76/1,044,602.75 = 430,335.59/x
  3. Step 3: Cross multiply
    756,979.76x = 1,044,602.75 × 430,335.59
  4. Step 4: Simplify right side
    756,979.76x = 449,529,736,589.70
  5. Step 5: Solve for x
    x = 449,529,736,589.70/756,979.76
  6. Step 6: Final answer
    x = 593,846.44

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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.