Home / 732,449.05-1,010,756.15-405,748.60

Finding the Fourth Proportional to 732,449.05, 1,010,756.15 and 405,748.60

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Solution

The fourth proportional to 732,449.05, 1,010,756.15 and 405,748.60 is: 559,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,449.05 : 1,010,756.15 = 405,748.60 : x
  2. Step 2: Convert to fraction form
    732,449.05/1,010,756.15 = 405,748.60/x
  3. Step 3: Cross multiply
    732,449.05x = 1,010,756.15 × 405,748.60
  4. Step 4: Simplify right side
    732,449.05x = 410,112,890,775.15
  5. Step 5: Solve for x
    x = 410,112,890,775.15/732,449.05
  6. Step 6: Final answer
    x = 559,920.03

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1.5x scale

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.