Home / 540,747-811,607.99-288,237.78

Finding the Fourth Proportional to 540,747, 811,607.99 and 288,237.78

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Solution

The fourth proportional to 540,747, 811,607.99 and 288,237.78 is: 432,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,747 : 811,607.99 = 288,237.78 : x
  2. Step 2: Convert to fraction form
    540,747/811,607.99 = 288,237.78/x
  3. Step 3: Cross multiply
    540,747x = 811,607.99 × 288,237.78
  4. Step 4: Simplify right side
    540,747x = 233,936,083,826.67
  5. Step 5: Solve for x
    x = 233,936,083,826.67/540,747
  6. Step 6: Final answer
    x = 432,616.52

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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.