Home / 549,140.84-757,282.04-428,238.02

Finding the Fourth Proportional to 549,140.84, 757,282.04 and 428,238.02

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Solution

The fourth proportional to 549,140.84, 757,282.04 and 428,238.02 is: 590,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,140.84 : 757,282.04 = 428,238.02 : x
  2. Step 2: Convert to fraction form
    549,140.84/757,282.04 = 428,238.02/x
  3. Step 3: Cross multiply
    549,140.84x = 757,282.04 × 428,238.02
  4. Step 4: Simplify right side
    549,140.84x = 324,296,961,391.16
  5. Step 5: Solve for x
    x = 324,296,961,391.16/549,140.84
  6. Step 6: Final answer
    x = 590,553.35

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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.