Home / 969,819.02-1,338,320.31-540,090.26

Finding the Fourth Proportional to 969,819.02, 1,338,320.31 and 540,090.26

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Solution

The fourth proportional to 969,819.02, 1,338,320.31 and 540,090.26 is: 745,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,819.02 : 1,338,320.31 = 540,090.26 : x
  2. Step 2: Convert to fraction form
    969,819.02/1,338,320.31 = 540,090.26/x
  3. Step 3: Cross multiply
    969,819.02x = 1,338,320.31 × 540,090.26
  4. Step 4: Simplify right side
    969,819.02x = 722,813,764,191.18
  5. Step 5: Solve for x
    x = 722,813,764,191.18/969,819.02
  6. Step 6: Final answer
    x = 745,307.89

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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.