Home / 875,636.20-1,313,454.30-501,351.40

Finding the Fourth Proportional to 875,636.20, 1,313,454.30 and 501,351.40

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Solution

The fourth proportional to 875,636.20, 1,313,454.30 and 501,351.40 is: 752,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,636.20 : 1,313,454.30 = 501,351.40 : x
  2. Step 2: Convert to fraction form
    875,636.20/1,313,454.30 = 501,351.40/x
  3. Step 3: Cross multiply
    875,636.20x = 1,313,454.30 × 501,351.40
  4. Step 4: Simplify right side
    875,636.20x = 658,502,152,141.02
  5. Step 5: Solve for x
    x = 658,502,152,141.02/875,636.20
  6. Step 6: Final answer
    x = 752,027.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.