Home / 740,531.70-1,110,032.10-402,858.90

Finding the Fourth Proportional to 740,531.70, 1,110,032.10 and 402,858.90

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Solution

The fourth proportional to 740,531.70, 1,110,032.10 and 402,858.90 is: 603,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,531.70 : 1,110,032.10 = 402,858.90 : x
  2. Step 2: Convert to fraction form
    740,531.70/1,110,032.10 = 402,858.90/x
  3. Step 3: Cross multiply
    740,531.70x = 1,110,032.10 × 402,858.90
  4. Step 4: Simplify right side
    740,531.70x = 447,186,310,770.69
  5. Step 5: Solve for x
    x = 447,186,310,770.69/740,531.70
  6. Step 6: Final answer
    x = 603,871.94

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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.