Home / 920,530.89-1,380,334.55-536,404.16

Finding the Fourth Proportional to 920,530.89, 1,380,334.55 and 536,404.16

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Solution

The fourth proportional to 920,530.89, 1,380,334.55 and 536,404.16 is: 804,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,530.89 : 1,380,334.55 = 536,404.16 : x
  2. Step 2: Convert to fraction form
    920,530.89/1,380,334.55 = 536,404.16/x
  3. Step 3: Cross multiply
    920,530.89x = 1,380,334.55 × 536,404.16
  4. Step 4: Simplify right side
    920,530.89x = 740,417,185,228.03
  5. Step 5: Solve for x
    x = 740,417,185,228.03/920,530.89
  6. Step 6: Final answer
    x = 804,337.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.