Home / 918,320.50-1,377,494.64-349,733.07

Finding the Fourth Proportional to 918,320.50, 1,377,494.64 and 349,733.07

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Solution

The fourth proportional to 918,320.50, 1,377,494.64 and 349,733.07 is: 524,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,320.50 : 1,377,494.64 = 349,733.07 : x
  2. Step 2: Convert to fraction form
    918,320.50/1,377,494.64 = 349,733.07/x
  3. Step 3: Cross multiply
    918,320.50x = 1,377,494.64 × 349,733.07
  4. Step 4: Simplify right side
    918,320.50x = 481,755,429,355.75
  5. Step 5: Solve for x
    x = 481,755,429,355.75/918,320.50
  6. Step 6: Final answer
    x = 524,604.90

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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.