Home / 529,733.96-731,047.22-288,032.76

Finding the Fourth Proportional to 529,733.96, 731,047.22 and 288,032.76

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Solution

The fourth proportional to 529,733.96, 731,047.22 and 288,032.76 is: 397,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,733.96 : 731,047.22 = 288,032.76 : x
  2. Step 2: Convert to fraction form
    529,733.96/731,047.22 = 288,032.76/x
  3. Step 3: Cross multiply
    529,733.96x = 731,047.22 × 288,032.76
  4. Step 4: Simplify right side
    529,733.96x = 210,565,548,466.93
  5. Step 5: Solve for x
    x = 210,565,548,466.93/529,733.96
  6. Step 6: Final answer
    x = 397,493.01

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1.5x scale

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.