Home / 821,026.46-1,132,881.30-458,392.08

Finding the Fourth Proportional to 821,026.46, 1,132,881.30 and 458,392.08

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Solution

The fourth proportional to 821,026.46, 1,132,881.30 and 458,392.08 is: 632,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,026.46 : 1,132,881.30 = 458,392.08 : x
  2. Step 2: Convert to fraction form
    821,026.46/1,132,881.30 = 458,392.08/x
  3. Step 3: Cross multiply
    821,026.46x = 1,132,881.30 × 458,392.08
  4. Step 4: Simplify right side
    821,026.46x = 519,303,815,500.10
  5. Step 5: Solve for x
    x = 519,303,815,500.10/821,026.46
  6. Step 6: Final answer
    x = 632,505.58

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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.