Home / 790,733.88-1,186,115.04-285,332.76

Finding the Fourth Proportional to 790,733.88, 1,186,115.04 and 285,332.76

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Solution

The fourth proportional to 790,733.88, 1,186,115.04 and 285,332.76 is: 428,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,733.88 : 1,186,115.04 = 285,332.76 : x
  2. Step 2: Convert to fraction form
    790,733.88/1,186,115.04 = 285,332.76/x
  3. Step 3: Cross multiply
    790,733.88x = 1,186,115.04 × 285,332.76
  4. Step 4: Simplify right side
    790,733.88x = 338,437,478,040.71
  5. Step 5: Solve for x
    x = 338,437,478,040.71/790,733.88
  6. Step 6: Final answer
    x = 428,004.27

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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.