Home / 724,696.96-1,000,174.04-438,219.12

Finding the Fourth Proportional to 724,696.96, 1,000,174.04 and 438,219.12

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Solution

The fourth proportional to 724,696.96, 1,000,174.04 and 438,219.12 is: 604,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,696.96 : 1,000,174.04 = 438,219.12 : x
  2. Step 2: Convert to fraction form
    724,696.96/1,000,174.04 = 438,219.12/x
  3. Step 3: Cross multiply
    724,696.96x = 1,000,174.04 × 438,219.12
  4. Step 4: Simplify right side
    724,696.96x = 438,295,387,655.65
  5. Step 5: Solve for x
    x = 438,295,387,655.65/724,696.96
  6. Step 6: Final answer
    x = 604,798.16

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Double scale
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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.