Home / 697,116.30-1,045,674.45-655,125.90

Finding the Fourth Proportional to 697,116.30, 1,045,674.45 and 655,125.90

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Solution

The fourth proportional to 697,116.30, 1,045,674.45 and 655,125.90 is: 982,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,116.30 : 1,045,674.45 = 655,125.90 : x
  2. Step 2: Convert to fraction form
    697,116.30/1,045,674.45 = 655,125.90/x
  3. Step 3: Cross multiply
    697,116.30x = 1,045,674.45 × 655,125.90
  4. Step 4: Simplify right side
    697,116.30x = 685,048,415,163.26
  5. Step 5: Solve for x
    x = 685,048,415,163.26/697,116.30
  6. Step 6: Final answer
    x = 982,688.85

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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.