Home / 810,575.84-1,118,730.72-548,812.40

Finding the Fourth Proportional to 810,575.84, 1,118,730.72 and 548,812.40

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Solution

The fourth proportional to 810,575.84, 1,118,730.72 and 548,812.40 is: 757,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,575.84 : 1,118,730.72 = 548,812.40 : x
  2. Step 2: Convert to fraction form
    810,575.84/1,118,730.72 = 548,812.40/x
  3. Step 3: Cross multiply
    810,575.84x = 1,118,730.72 × 548,812.40
  4. Step 4: Simplify right side
    810,575.84x = 613,973,291,396.93
  5. Step 5: Solve for x
    x = 613,973,291,396.93/810,575.84
  6. Step 6: Final answer
    x = 757,453.23

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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.