Home / 910,014.60-1,365,021.90-490,110.60

Finding the Fourth Proportional to 910,014.60, 1,365,021.90 and 490,110.60

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Solution

The fourth proportional to 910,014.60, 1,365,021.90 and 490,110.60 is: 735,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,014.60 : 1,365,021.90 = 490,110.60 : x
  2. Step 2: Convert to fraction form
    910,014.60/1,365,021.90 = 490,110.60/x
  3. Step 3: Cross multiply
    910,014.60x = 1,365,021.90 × 490,110.60
  4. Step 4: Simplify right side
    910,014.60x = 669,011,702,422.14
  5. Step 5: Solve for x
    x = 669,011,702,422.14/910,014.60
  6. Step 6: Final answer
    x = 735,165.90

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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.