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Finding the Fourth Proportional to 658,051.20, 985,600.58 and 539,953.20

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Solution

The fourth proportional to 658,051.20, 985,600.58 and 539,953.20 is: 808,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,051.20 : 985,600.58 = 539,953.20 : x
  2. Step 2: Convert to fraction form
    658,051.20/985,600.58 = 539,953.20/x
  3. Step 3: Cross multiply
    658,051.20x = 985,600.58 × 539,953.20
  4. Step 4: Simplify right side
    658,051.20x = 532,178,184,393.09
  5. Step 5: Solve for x
    x = 532,178,184,393.09/658,051.20
  6. Step 6: Final answer
    x = 808,718.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.