Home / 540,631.36-746,006.16-298,881.28

Finding the Fourth Proportional to 540,631.36, 746,006.16 and 298,881.28

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Solution

The fourth proportional to 540,631.36, 746,006.16 and 298,881.28 is: 412,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,631.36 : 746,006.16 = 298,881.28 : x
  2. Step 2: Convert to fraction form
    540,631.36/746,006.16 = 298,881.28/x
  3. Step 3: Cross multiply
    540,631.36x = 746,006.16 × 298,881.28
  4. Step 4: Simplify right side
    540,631.36x = 222,967,275,988.69
  5. Step 5: Solve for x
    x = 222,967,275,988.69/540,631.36
  6. Step 6: Final answer
    x = 412,420.17

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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.