Home / 803,772.50-1,205,297.49-578,187.50

Finding the Fourth Proportional to 803,772.50, 1,205,297.49 and 578,187.50

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Solution

The fourth proportional to 803,772.50, 1,205,297.49 and 578,187.50 is: 867,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,772.50 : 1,205,297.49 = 578,187.50 : x
  2. Step 2: Convert to fraction form
    803,772.50/1,205,297.49 = 578,187.50/x
  3. Step 3: Cross multiply
    803,772.50x = 1,205,297.49 × 578,187.50
  4. Step 4: Simplify right side
    803,772.50x = 696,887,942,499.38
  5. Step 5: Solve for x
    x = 696,887,942,499.38/803,772.50
  6. Step 6: Final answer
    x = 867,021.38

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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.