Home / 873,705.60-1,310,558.40-282,729.60

Finding the Fourth Proportional to 873,705.60, 1,310,558.40 and 282,729.60

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Solution

The fourth proportional to 873,705.60, 1,310,558.40 and 282,729.60 is: 424,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,705.60 : 1,310,558.40 = 282,729.60 : x
  2. Step 2: Convert to fraction form
    873,705.60/1,310,558.40 = 282,729.60/x
  3. Step 3: Cross multiply
    873,705.60x = 1,310,558.40 × 282,729.60
  4. Step 4: Simplify right side
    873,705.60x = 370,533,652,208.64
  5. Step 5: Solve for x
    x = 370,533,652,208.64/873,705.60
  6. Step 6: Final answer
    x = 424,094.40

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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.