Home / 849,305.18-1,172,005.88-462,122.11

Finding the Fourth Proportional to 849,305.18, 1,172,005.88 and 462,122.11

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Solution

The fourth proportional to 849,305.18, 1,172,005.88 and 462,122.11 is: 637,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,305.18 : 1,172,005.88 = 462,122.11 : x
  2. Step 2: Convert to fraction form
    849,305.18/1,172,005.88 = 462,122.11/x
  3. Step 3: Cross multiply
    849,305.18x = 1,172,005.88 × 462,122.11
  4. Step 4: Simplify right side
    849,305.18x = 541,609,829,352.40
  5. Step 5: Solve for x
    x = 541,609,829,352.40/849,305.18
  6. Step 6: Final answer
    x = 637,709.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.