Home / 801,187.04-1,105,637.98-438,609.76

Finding the Fourth Proportional to 801,187.04, 1,105,637.98 and 438,609.76

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Solution

The fourth proportional to 801,187.04, 1,105,637.98 and 438,609.76 is: 605,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,187.04 : 1,105,637.98 = 438,609.76 : x
  2. Step 2: Convert to fraction form
    801,187.04/1,105,637.98 = 438,609.76/x
  3. Step 3: Cross multiply
    801,187.04x = 1,105,637.98 × 438,609.76
  4. Step 4: Simplify right side
    801,187.04x = 484,943,609,054.69
  5. Step 5: Solve for x
    x = 484,943,609,054.69/801,187.04
  6. Step 6: Final answer
    x = 605,281.39

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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.