Home / 774,003.80-1,161,005.70-470,885.60

Finding the Fourth Proportional to 774,003.80, 1,161,005.70 and 470,885.60

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Solution

The fourth proportional to 774,003.80, 1,161,005.70 and 470,885.60 is: 706,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,003.80 : 1,161,005.70 = 470,885.60 : x
  2. Step 2: Convert to fraction form
    774,003.80/1,161,005.70 = 470,885.60/x
  3. Step 3: Cross multiply
    774,003.80x = 1,161,005.70 × 470,885.60
  4. Step 4: Simplify right side
    774,003.80x = 546,700,865,647.92
  5. Step 5: Solve for x
    x = 546,700,865,647.92/774,003.80
  6. Step 6: Final answer
    x = 706,328.40

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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.