Home / 771,066.60-1,064,071.76-431,534.86

Finding the Fourth Proportional to 771,066.60, 1,064,071.76 and 431,534.86

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Solution

The fourth proportional to 771,066.60, 1,064,071.76 and 431,534.86 is: 595,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,066.60 : 1,064,071.76 = 431,534.86 : x
  2. Step 2: Convert to fraction form
    771,066.60/1,064,071.76 = 431,534.86/x
  3. Step 3: Cross multiply
    771,066.60x = 1,064,071.76 × 431,534.86
  4. Step 4: Simplify right side
    771,066.60x = 459,184,057,981.55
  5. Step 5: Solve for x
    x = 459,184,057,981.55/771,066.60
  6. Step 6: Final answer
    x = 595,518.02

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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.