Home / 813,310.13-1,220,300.17-357,667.13

Finding the Fourth Proportional to 813,310.13, 1,220,300.17 and 357,667.13

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Solution

The fourth proportional to 813,310.13, 1,220,300.17 and 357,667.13 is: 536,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,310.13 : 1,220,300.17 = 357,667.13 : x
  2. Step 2: Convert to fraction form
    813,310.13/1,220,300.17 = 357,667.13/x
  3. Step 3: Cross multiply
    813,310.13x = 1,220,300.17 × 357,667.13
  4. Step 4: Simplify right side
    813,310.13x = 436,461,261,699.00
  5. Step 5: Solve for x
    x = 436,461,261,699.00/813,310.13
  6. Step 6: Final answer
    x = 536,648.01

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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.