Home / 808,631.60-1,212,947.40-717,652.40

Finding the Fourth Proportional to 808,631.60, 1,212,947.40 and 717,652.40

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Solution

The fourth proportional to 808,631.60, 1,212,947.40 and 717,652.40 is: 1,076,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,631.60 : 1,212,947.40 = 717,652.40 : x
  2. Step 2: Convert to fraction form
    808,631.60/1,212,947.40 = 717,652.40/x
  3. Step 3: Cross multiply
    808,631.60x = 1,212,947.40 × 717,652.40
  4. Step 4: Simplify right side
    808,631.60x = 870,474,612,683.76
  5. Step 5: Solve for x
    x = 870,474,612,683.76/808,631.60
  6. Step 6: Final answer
    x = 1,076,478.60

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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.