Home / 779,673.54-1,075,958.46-457,389.12

Finding the Fourth Proportional to 779,673.54, 1,075,958.46 and 457,389.12

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Solution

The fourth proportional to 779,673.54, 1,075,958.46 and 457,389.12 is: 631,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,673.54 : 1,075,958.46 = 457,389.12 : x
  2. Step 2: Convert to fraction form
    779,673.54/1,075,958.46 = 457,389.12/x
  3. Step 3: Cross multiply
    779,673.54x = 1,075,958.46 × 457,389.12
  4. Step 4: Simplify right side
    779,673.54x = 492,131,693,175.96
  5. Step 5: Solve for x
    x = 492,131,693,175.96/779,673.54
  6. Step 6: Final answer
    x = 631,202.25

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Double scale
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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.