Home / 917,533.80-1,376,300.70-664,279.20

Finding the Fourth Proportional to 917,533.80, 1,376,300.70 and 664,279.20

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Solution

The fourth proportional to 917,533.80, 1,376,300.70 and 664,279.20 is: 996,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,533.80 : 1,376,300.70 = 664,279.20 : x
  2. Step 2: Convert to fraction form
    917,533.80/1,376,300.70 = 664,279.20/x
  3. Step 3: Cross multiply
    917,533.80x = 1,376,300.70 × 664,279.20
  4. Step 4: Simplify right side
    917,533.80x = 914,247,927,955.44
  5. Step 5: Solve for x
    x = 914,247,927,955.44/917,533.80
  6. Step 6: Final answer
    x = 996,418.80

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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.