Home / 775,063.56-1,069,619.40-435,531

Finding the Fourth Proportional to 775,063.56, 1,069,619.40 and 435,531

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Solution

The fourth proportional to 775,063.56, 1,069,619.40 and 435,531 is: 601,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,063.56 : 1,069,619.40 = 435,531 : x
  2. Step 2: Convert to fraction form
    775,063.56/1,069,619.40 = 435,531/x
  3. Step 3: Cross multiply
    775,063.56x = 1,069,619.40 × 435,531
  4. Step 4: Simplify right side
    775,063.56x = 465,852,406,901.40
  5. Step 5: Solve for x
    x = 465,852,406,901.40/775,063.56
  6. Step 6: Final answer
    x = 601,050.59

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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.