Home / 821,326.05-1,133,417.97-458,755.02

Finding the Fourth Proportional to 821,326.05, 1,133,417.97 and 458,755.02

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Solution

The fourth proportional to 821,326.05, 1,133,417.97 and 458,755.02 is: 633,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,326.05 : 1,133,417.97 = 458,755.02 : x
  2. Step 2: Convert to fraction form
    821,326.05/1,133,417.97 = 458,755.02/x
  3. Step 3: Cross multiply
    821,326.05x = 1,133,417.97 × 458,755.02
  4. Step 4: Simplify right side
    821,326.05x = 519,961,183,495.71
  5. Step 5: Solve for x
    x = 519,961,183,495.71/821,326.05
  6. Step 6: Final answer
    x = 633,075.24

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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.