Home / 724,715.04-1,000,198.88-438,237.12

Finding the Fourth Proportional to 724,715.04, 1,000,198.88 and 438,237.12

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Solution

The fourth proportional to 724,715.04, 1,000,198.88 and 438,237.12 is: 604,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,715.04 : 1,000,198.88 = 438,237.12 : x
  2. Step 2: Convert to fraction form
    724,715.04/1,000,198.88 = 438,237.12/x
  3. Step 3: Cross multiply
    724,715.04x = 1,000,198.88 × 438,237.12
  4. Step 4: Simplify right side
    724,715.04x = 438,324,276,598.43
  5. Step 5: Solve for x
    x = 438,324,276,598.43/724,715.04
  6. Step 6: Final answer
    x = 604,822.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.