Home / 809,629.60-1,214,444.40-473,706.40

Finding the Fourth Proportional to 809,629.60, 1,214,444.40 and 473,706.40

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Solution

The fourth proportional to 809,629.60, 1,214,444.40 and 473,706.40 is: 710,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,629.60 : 1,214,444.40 = 473,706.40 : x
  2. Step 2: Convert to fraction form
    809,629.60/1,214,444.40 = 473,706.40/x
  3. Step 3: Cross multiply
    809,629.60x = 1,214,444.40 × 473,706.40
  4. Step 4: Simplify right side
    809,629.60x = 575,290,084,724.16
  5. Step 5: Solve for x
    x = 575,290,084,724.16/809,629.60
  6. Step 6: Final answer
    x = 710,559.60

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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.