Home / 889,415.40-1,334,123.10-534,246.60

Finding the Fourth Proportional to 889,415.40, 1,334,123.10 and 534,246.60

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Solution

The fourth proportional to 889,415.40, 1,334,123.10 and 534,246.60 is: 801,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,415.40 : 1,334,123.10 = 534,246.60 : x
  2. Step 2: Convert to fraction form
    889,415.40/1,334,123.10 = 534,246.60/x
  3. Step 3: Cross multiply
    889,415.40x = 1,334,123.10 × 534,246.60
  4. Step 4: Simplify right side
    889,415.40x = 712,750,730,156.46
  5. Step 5: Solve for x
    x = 712,750,730,156.46/889,415.40
  6. Step 6: Final answer
    x = 801,369.90

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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.