Home / 797,200.20-1,195,800.30-785,390.40

Finding the Fourth Proportional to 797,200.20, 1,195,800.30 and 785,390.40

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Solution

The fourth proportional to 797,200.20, 1,195,800.30 and 785,390.40 is: 1,178,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,200.20 : 1,195,800.30 = 785,390.40 : x
  2. Step 2: Convert to fraction form
    797,200.20/1,195,800.30 = 785,390.40/x
  3. Step 3: Cross multiply
    797,200.20x = 1,195,800.30 × 785,390.40
  4. Step 4: Simplify right side
    797,200.20x = 939,170,075,937.12
  5. Step 5: Solve for x
    x = 939,170,075,937.12/797,200.20
  6. Step 6: Final answer
    x = 1,178,085.60

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Double scale
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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.