Home / 977,900.80-1,467,715.20-578,041.60

Finding the Fourth Proportional to 977,900.80, 1,467,715.20 and 578,041.60

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Solution

The fourth proportional to 977,900.80, 1,467,715.20 and 578,041.60 is: 867,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,900.80 : 1,467,715.20 = 578,041.60 : x
  2. Step 2: Convert to fraction form
    977,900.80/1,467,715.20 = 578,041.60/x
  3. Step 3: Cross multiply
    977,900.80x = 1,467,715.20 × 578,041.60
  4. Step 4: Simplify right side
    977,900.80x = 848,400,442,552.32
  5. Step 5: Solve for x
    x = 848,400,442,552.32/977,900.80
  6. Step 6: Final answer
    x = 867,573.11

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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.