Home / 771,084.80-1,064,096.88-431,553.06

Finding the Fourth Proportional to 771,084.80, 1,064,096.88 and 431,553.06

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Solution

The fourth proportional to 771,084.80, 1,064,096.88 and 431,553.06 is: 595,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,084.80 : 1,064,096.88 = 431,553.06 : x
  2. Step 2: Convert to fraction form
    771,084.80/1,064,096.88 = 431,553.06/x
  3. Step 3: Cross multiply
    771,084.80x = 1,064,096.88 × 431,553.06
  4. Step 4: Simplify right side
    771,084.80x = 459,214,264,700.45
  5. Step 5: Solve for x
    x = 459,214,264,700.45/771,084.80
  6. Step 6: Final answer
    x = 595,543.14

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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.