Home / 903,427.40-1,355,141.10-889,430.60

Finding the Fourth Proportional to 903,427.40, 1,355,141.10 and 889,430.60

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Solution

The fourth proportional to 903,427.40, 1,355,141.10 and 889,430.60 is: 1,334,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,427.40 : 1,355,141.10 = 889,430.60 : x
  2. Step 2: Convert to fraction form
    903,427.40/1,355,141.10 = 889,430.60/x
  3. Step 3: Cross multiply
    903,427.40x = 1,355,141.10 × 889,430.60
  4. Step 4: Simplify right side
    903,427.40x = 1,205,303,961,657.66
  5. Step 5: Solve for x
    x = 1,205,303,961,657.66/903,427.40
  6. Step 6: Final answer
    x = 1,334,145.90

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Double scale
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Similar ratio
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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.