Home / 773,072.17-1,066,803.59-428,904.43

Finding the Fourth Proportional to 773,072.17, 1,066,803.59 and 428,904.43

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Solution

The fourth proportional to 773,072.17, 1,066,803.59 and 428,904.43 is: 591,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,072.17 : 1,066,803.59 = 428,904.43 : x
  2. Step 2: Convert to fraction form
    773,072.17/1,066,803.59 = 428,904.43/x
  3. Step 3: Cross multiply
    773,072.17x = 1,066,803.59 × 428,904.43
  4. Step 4: Simplify right side
    773,072.17x = 457,556,784,096.16
  5. Step 5: Solve for x
    x = 457,556,784,096.16/773,072.17
  6. Step 6: Final answer
    x = 591,868.14

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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.