Home / 969,285.86-1,337,740.08-555,983.90

Finding the Fourth Proportional to 969,285.86, 1,337,740.08 and 555,983.90

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Solution

The fourth proportional to 969,285.86, 1,337,740.08 and 555,983.90 is: 767,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,285.86 : 1,337,740.08 = 555,983.90 : x
  2. Step 2: Convert to fraction form
    969,285.86/1,337,740.08 = 555,983.90/x
  3. Step 3: Cross multiply
    969,285.86x = 1,337,740.08 × 555,983.90
  4. Step 4: Simplify right side
    969,285.86x = 743,761,946,864.71
  5. Step 5: Solve for x
    x = 743,761,946,864.71/969,285.86
  6. Step 6: Final answer
    x = 767,329.82

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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.