Home / 740,063.34-1,021,290.40-400,531.50

Finding the Fourth Proportional to 740,063.34, 1,021,290.40 and 400,531.50

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Solution

The fourth proportional to 740,063.34, 1,021,290.40 and 400,531.50 is: 552,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,063.34 : 1,021,290.40 = 400,531.50 : x
  2. Step 2: Convert to fraction form
    740,063.34/1,021,290.40 = 400,531.50/x
  3. Step 3: Cross multiply
    740,063.34x = 1,021,290.40 × 400,531.50
  4. Step 4: Simplify right side
    740,063.34x = 409,058,975,847.60
  5. Step 5: Solve for x
    x = 409,058,975,847.60/740,063.34
  6. Step 6: Final answer
    x = 552,735.09

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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.