Home / 773,075.96-1,066,853.64-428,918.24

Finding the Fourth Proportional to 773,075.96, 1,066,853.64 and 428,918.24

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Solution

The fourth proportional to 773,075.96, 1,066,853.64 and 428,918.24 is: 591,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,075.96 : 1,066,853.64 = 428,918.24 : x
  2. Step 2: Convert to fraction form
    773,075.96/1,066,853.64 = 428,918.24/x
  3. Step 3: Cross multiply
    773,075.96x = 1,066,853.64 × 428,918.24
  4. Step 4: Simplify right side
    773,075.96x = 457,592,985,606.39
  5. Step 5: Solve for x
    x = 457,592,985,606.39/773,075.96
  6. Step 6: Final answer
    x = 591,912.06

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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.