Home / 740,235.84-1,110,691.80-402,770.40

Finding the Fourth Proportional to 740,235.84, 1,110,691.80 and 402,770.40

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Solution

The fourth proportional to 740,235.84, 1,110,691.80 and 402,770.40 is: 604,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,235.84 : 1,110,691.80 = 402,770.40 : x
  2. Step 2: Convert to fraction form
    740,235.84/1,110,691.80 = 402,770.40/x
  3. Step 3: Cross multiply
    740,235.84x = 1,110,691.80 × 402,770.40
  4. Step 4: Simplify right side
    740,235.84x = 447,353,780,562.72
  5. Step 5: Solve for x
    x = 447,353,780,562.72/740,235.84
  6. Step 6: Final answer
    x = 604,339.53

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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.