Home / 849,985.35-1,172,982.56-462,805.35

Finding the Fourth Proportional to 849,985.35, 1,172,982.56 and 462,805.35

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Solution

The fourth proportional to 849,985.35, 1,172,982.56 and 462,805.35 is: 638,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,985.35 : 1,172,982.56 = 462,805.35 : x
  2. Step 2: Convert to fraction form
    849,985.35/1,172,982.56 = 462,805.35/x
  3. Step 3: Cross multiply
    849,985.35x = 1,172,982.56 × 462,805.35
  4. Step 4: Simplify right side
    849,985.35x = 542,862,604,224.70
  5. Step 5: Solve for x
    x = 542,862,604,224.70/849,985.35
  6. Step 6: Final answer
    x = 638,672.90

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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.