Home / 790,658.37-1,090,663.13-500,179.82

Finding the Fourth Proportional to 790,658.37, 1,090,663.13 and 500,179.82

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Solution

The fourth proportional to 790,658.37, 1,090,663.13 and 500,179.82 is: 689,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,658.37 : 1,090,663.13 = 500,179.82 : x
  2. Step 2: Convert to fraction form
    790,658.37/1,090,663.13 = 500,179.82/x
  3. Step 3: Cross multiply
    790,658.37x = 1,090,663.13 × 500,179.82
  4. Step 4: Simplify right side
    790,658.37x = 545,527,680,089.82
  5. Step 5: Solve for x
    x = 545,527,680,089.82/790,658.37
  6. Step 6: Final answer
    x = 689,966.36

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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.