Home / 771,070.61-1,064,077.29-431,538.86

Finding the Fourth Proportional to 771,070.61, 1,064,077.29 and 431,538.86

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Solution

The fourth proportional to 771,070.61, 1,064,077.29 and 431,538.86 is: 595,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,070.61 : 1,064,077.29 = 431,538.86 : x
  2. Step 2: Convert to fraction form
    771,070.61/1,064,077.29 = 431,538.86/x
  3. Step 3: Cross multiply
    771,070.61x = 1,064,077.29 × 431,538.86
  4. Step 4: Simplify right side
    771,070.61x = 459,190,695,358.10
  5. Step 5: Solve for x
    x = 459,190,695,358.10/771,070.61
  6. Step 6: Final answer
    x = 595,523.54

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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.