Home / 711,193.20-1,064,716.20-690,457.20

Finding the Fourth Proportional to 711,193.20, 1,064,716.20 and 690,457.20

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Solution

The fourth proportional to 711,193.20, 1,064,716.20 and 690,457.20 is: 1,033,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,193.20 : 1,064,716.20 = 690,457.20 : x
  2. Step 2: Convert to fraction form
    711,193.20/1,064,716.20 = 690,457.20/x
  3. Step 3: Cross multiply
    711,193.20x = 1,064,716.20 × 690,457.20
  4. Step 4: Simplify right side
    711,193.20x = 735,140,966,246.64
  5. Step 5: Solve for x
    x = 735,140,966,246.64/711,193.20
  6. Step 6: Final answer
    x = 1,033,672.66

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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.