Home / 977,783.30-1,467,331.05-577,999.70

Finding the Fourth Proportional to 977,783.30, 1,467,331.05 and 577,999.70

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Solution

The fourth proportional to 977,783.30, 1,467,331.05 and 577,999.70 is: 867,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,783.30 : 1,467,331.05 = 577,999.70 : x
  2. Step 2: Convert to fraction form
    977,783.30/1,467,331.05 = 577,999.70/x
  3. Step 3: Cross multiply
    977,783.30x = 1,467,331.05 × 577,999.70
  4. Step 4: Simplify right side
    977,783.30x = 848,116,906,700.69
  5. Step 5: Solve for x
    x = 848,116,906,700.69/977,783.30
  6. Step 6: Final answer
    x = 867,387.39

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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.