Home / 804,958.20-1,208,214.90-490,030.20

Finding the Fourth Proportional to 804,958.20, 1,208,214.90 and 490,030.20

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Solution

The fourth proportional to 804,958.20, 1,208,214.90 and 490,030.20 is: 735,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,958.20 : 1,208,214.90 = 490,030.20 : x
  2. Step 2: Convert to fraction form
    804,958.20/1,208,214.90 = 490,030.20/x
  3. Step 3: Cross multiply
    804,958.20x = 1,208,214.90 × 490,030.20
  4. Step 4: Simplify right side
    804,958.20x = 592,061,789,089.98
  5. Step 5: Solve for x
    x = 592,061,789,089.98/804,958.20
  6. Step 6: Final answer
    x = 735,518.68

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Double scale
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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.