Home / 918,719.00-1,378,262.45-514,486.06

Finding the Fourth Proportional to 918,719.00, 1,378,262.45 and 514,486.06

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Solution

The fourth proportional to 918,719.00, 1,378,262.45 and 514,486.06 is: 771,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,719.00 : 1,378,262.45 = 514,486.06 : x
  2. Step 2: Convert to fraction form
    918,719.00/1,378,262.45 = 514,486.06/x
  3. Step 3: Cross multiply
    918,719.00x = 1,378,262.45 × 514,486.06
  4. Step 4: Simplify right side
    918,719.00x = 709,096,819,883.96
  5. Step 5: Solve for x
    x = 709,096,819,883.96/918,719.00
  6. Step 6: Final answer
    x = 771,832.11

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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.