Home / 977,928.80-1,467,549.30-578,145.20

Finding the Fourth Proportional to 977,928.80, 1,467,549.30 and 578,145.20

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Solution

The fourth proportional to 977,928.80, 1,467,549.30 and 578,145.20 is: 867,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,928.80 : 1,467,549.30 = 578,145.20 : x
  2. Step 2: Convert to fraction form
    977,928.80/1,467,549.30 = 578,145.20/x
  3. Step 3: Cross multiply
    977,928.80x = 1,467,549.30 × 578,145.20
  4. Step 4: Simplify right side
    977,928.80x = 848,456,583,558.36
  5. Step 5: Solve for x
    x = 848,456,583,558.36/977,928.80
  6. Step 6: Final answer
    x = 867,605.68

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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.