Home / 875,359.80-1,208,992.98-588,381.66

Finding the Fourth Proportional to 875,359.80, 1,208,992.98 and 588,381.66

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Solution

The fourth proportional to 875,359.80, 1,208,992.98 and 588,381.66 is: 812,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,359.80 : 1,208,992.98 = 588,381.66 : x
  2. Step 2: Convert to fraction form
    875,359.80/1,208,992.98 = 588,381.66/x
  3. Step 3: Cross multiply
    875,359.80x = 1,208,992.98 × 588,381.66
  4. Step 4: Simplify right side
    875,359.80x = 711,349,296,500.75
  5. Step 5: Solve for x
    x = 711,349,296,500.75/875,359.80
  6. Step 6: Final answer
    x = 812,636.47

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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.