Home / 807,624.80-1,211,437.20-727,445.60

Finding the Fourth Proportional to 807,624.80, 1,211,437.20 and 727,445.60

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Solution

The fourth proportional to 807,624.80, 1,211,437.20 and 727,445.60 is: 1,091,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,624.80 : 1,211,437.20 = 727,445.60 : x
  2. Step 2: Convert to fraction form
    807,624.80/1,211,437.20 = 727,445.60/x
  3. Step 3: Cross multiply
    807,624.80x = 1,211,437.20 × 727,445.60
  4. Step 4: Simplify right side
    807,624.80x = 881,254,660,816.32
  5. Step 5: Solve for x
    x = 881,254,660,816.32/807,624.80
  6. Step 6: Final answer
    x = 1,091,168.40

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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.