Home / 742,314.26-1,114,031.16-543,148.50

Finding the Fourth Proportional to 742,314.26, 1,114,031.16 and 543,148.50

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Solution

The fourth proportional to 742,314.26, 1,114,031.16 and 543,148.50 is: 815,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,314.26 : 1,114,031.16 = 543,148.50 : x
  2. Step 2: Convert to fraction form
    742,314.26/1,114,031.16 = 543,148.50/x
  3. Step 3: Cross multiply
    742,314.26x = 1,114,031.16 × 543,148.50
  4. Step 4: Simplify right side
    742,314.26x = 605,084,353,507.26
  5. Step 5: Solve for x
    x = 605,084,353,507.26/742,314.26
  6. Step 6: Final answer
    x = 815,132.33

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1.5x scale

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.