Home / 859,207.37-1,289,937.34-576,164.45

Finding the Fourth Proportional to 859,207.37, 1,289,937.34 and 576,164.45

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Solution

The fourth proportional to 859,207.37, 1,289,937.34 and 576,164.45 is: 865,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,207.37 : 1,289,937.34 = 576,164.45 : x
  2. Step 2: Convert to fraction form
    859,207.37/1,289,937.34 = 576,164.45/x
  3. Step 3: Cross multiply
    859,207.37x = 1,289,937.34 × 576,164.45
  4. Step 4: Simplify right side
    859,207.37x = 743,216,041,980.61
  5. Step 5: Solve for x
    x = 743,216,041,980.61/859,207.37
  6. Step 6: Final answer
    x = 865,001.95

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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.