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Finding the Fourth Proportional to 607,003.40, 910,505.10 and 494,810.30

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Solution

The fourth proportional to 607,003.40, 910,505.10 and 494,810.30 is: 742,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,003.40 : 910,505.10 = 494,810.30 : x
  2. Step 2: Convert to fraction form
    607,003.40/910,505.10 = 494,810.30/x
  3. Step 3: Cross multiply
    607,003.40x = 910,505.10 × 494,810.30
  4. Step 4: Simplify right side
    607,003.40x = 450,527,301,682.53
  5. Step 5: Solve for x
    x = 450,527,301,682.53/607,003.40
  6. Step 6: Final answer
    x = 742,215.45

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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.