Home / 702,869.13-1,054,723.41-645,697.17

Finding the Fourth Proportional to 702,869.13, 1,054,723.41 and 645,697.17

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Solution

The fourth proportional to 702,869.13, 1,054,723.41 and 645,697.17 is: 968,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,869.13 : 1,054,723.41 = 645,697.17 : x
  2. Step 2: Convert to fraction form
    702,869.13/1,054,723.41 = 645,697.17/x
  3. Step 3: Cross multiply
    702,869.13x = 1,054,723.41 × 645,697.17
  4. Step 4: Simplify right side
    702,869.13x = 681,031,920,969.75
  5. Step 5: Solve for x
    x = 681,031,920,969.75/702,869.13
  6. Step 6: Final answer
    x = 968,931.33

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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.