Home / 769,703.60-1,154,555.40-738,210.80

Finding the Fourth Proportional to 769,703.60, 1,154,555.40 and 738,210.80

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Solution

The fourth proportional to 769,703.60, 1,154,555.40 and 738,210.80 is: 1,107,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,703.60 : 1,154,555.40 = 738,210.80 : x
  2. Step 2: Convert to fraction form
    769,703.60/1,154,555.40 = 738,210.80/x
  3. Step 3: Cross multiply
    769,703.60x = 1,154,555.40 × 738,210.80
  4. Step 4: Simplify right side
    769,703.60x = 852,305,265,478.32
  5. Step 5: Solve for x
    x = 852,305,265,478.32/769,703.60
  6. Step 6: Final answer
    x = 1,107,316.20

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Similar ratio
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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.