Home / 977,810.30-1,467,371.55-578,026.70

Finding the Fourth Proportional to 977,810.30, 1,467,371.55 and 578,026.70

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Solution

The fourth proportional to 977,810.30, 1,467,371.55 and 578,026.70 is: 867,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,810.30 : 1,467,371.55 = 578,026.70 : x
  2. Step 2: Convert to fraction form
    977,810.30/1,467,371.55 = 578,026.70/x
  3. Step 3: Cross multiply
    977,810.30x = 1,467,371.55 × 578,026.70
  4. Step 4: Simplify right side
    977,810.30x = 848,179,934,720.39
  5. Step 5: Solve for x
    x = 848,179,934,720.39/977,810.30
  6. Step 6: Final answer
    x = 867,427.90

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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.