Home / 940,431.39-1,297,821.05-553,274.07

Finding the Fourth Proportional to 940,431.39, 1,297,821.05 and 553,274.07

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Solution

The fourth proportional to 940,431.39, 1,297,821.05 and 553,274.07 is: 763,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,431.39 : 1,297,821.05 = 553,274.07 : x
  2. Step 2: Convert to fraction form
    940,431.39/1,297,821.05 = 553,274.07/x
  3. Step 3: Cross multiply
    940,431.39x = 1,297,821.05 × 553,274.07
  4. Step 4: Simplify right side
    940,431.39x = 718,050,734,465.17
  5. Step 5: Solve for x
    x = 718,050,734,465.17/940,431.39
  6. Step 6: Final answer
    x = 763,533.36

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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.