Home / 821,317.38-1,133,406.05-458,746.40

Finding the Fourth Proportional to 821,317.38, 1,133,406.05 and 458,746.40

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Solution

The fourth proportional to 821,317.38, 1,133,406.05 and 458,746.40 is: 633,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,317.38 : 1,133,406.05 = 458,746.40 : x
  2. Step 2: Convert to fraction form
    821,317.38/1,133,406.05 = 458,746.40/x
  3. Step 3: Cross multiply
    821,317.38x = 1,133,406.05 × 458,746.40
  4. Step 4: Simplify right side
    821,317.38x = 519,945,937,214.96
  5. Step 5: Solve for x
    x = 519,945,937,214.96/821,317.38
  6. Step 6: Final answer
    x = 633,063.36

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Double scale
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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.