Home / 505,153.07-755,427.68-377,158.89

Finding the Fourth Proportional to 505,153.07, 755,427.68 and 377,158.89

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Solution

The fourth proportional to 505,153.07, 755,427.68 and 377,158.89 is: 564,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,153.07 : 755,427.68 = 377,158.89 : x
  2. Step 2: Convert to fraction form
    505,153.07/755,427.68 = 377,158.89/x
  3. Step 3: Cross multiply
    505,153.07x = 755,427.68 × 377,158.89
  4. Step 4: Simplify right side
    505,153.07x = 284,916,265,264.08
  5. Step 5: Solve for x
    x = 284,916,265,264.08/505,153.07
  6. Step 6: Final answer
    x = 564,019.66

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1.5x scale

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.