Home / 918,401.76-1,377,616.41-349,814.16

Finding the Fourth Proportional to 918,401.76, 1,377,616.41 and 349,814.16

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Solution

The fourth proportional to 918,401.76, 1,377,616.41 and 349,814.16 is: 524,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,401.76 : 1,377,616.41 = 349,814.16 : x
  2. Step 2: Convert to fraction form
    918,401.76/1,377,616.41 = 349,814.16/x
  3. Step 3: Cross multiply
    918,401.76x = 1,377,616.41 × 349,814.16
  4. Step 4: Simplify right side
    918,401.76x = 481,909,727,266.37
  5. Step 5: Solve for x
    x = 481,909,727,266.37/918,401.76
  6. Step 6: Final answer
    x = 524,726.48

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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.