Home / 771,070.79-1,064,077.56-431,539.04

Finding the Fourth Proportional to 771,070.79, 1,064,077.56 and 431,539.04

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Solution

The fourth proportional to 771,070.79, 1,064,077.56 and 431,539.04 is: 595,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,070.79 : 1,064,077.56 = 431,539.04 : x
  2. Step 2: Convert to fraction form
    771,070.79/1,064,077.56 = 431,539.04/x
  3. Step 3: Cross multiply
    771,070.79x = 1,064,077.56 × 431,539.04
  4. Step 4: Simplify right side
    771,070.79x = 459,191,011,388.14
  5. Step 5: Solve for x
    x = 459,191,011,388.14/771,070.79
  6. Step 6: Final answer
    x = 595,523.80

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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.