Home / 556,559.40-834,839.10-490,074.60

Finding the Fourth Proportional to 556,559.40, 834,839.10 and 490,074.60

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Solution

The fourth proportional to 556,559.40, 834,839.10 and 490,074.60 is: 735,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,559.40 : 834,839.10 = 490,074.60 : x
  2. Step 2: Convert to fraction form
    556,559.40/834,839.10 = 490,074.60/x
  3. Step 3: Cross multiply
    556,559.40x = 834,839.10 × 490,074.60
  4. Step 4: Simplify right side
    556,559.40x = 409,133,437,996.86
  5. Step 5: Solve for x
    x = 409,133,437,996.86/556,559.40
  6. Step 6: Final answer
    x = 735,111.90

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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.