Home / 749,324.75-1,034,065.93-405,158.23

Finding the Fourth Proportional to 749,324.75, 1,034,065.93 and 405,158.23

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Solution

The fourth proportional to 749,324.75, 1,034,065.93 and 405,158.23 is: 559,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,324.75 : 1,034,065.93 = 405,158.23 : x
  2. Step 2: Convert to fraction form
    749,324.75/1,034,065.93 = 405,158.23/x
  3. Step 3: Cross multiply
    749,324.75x = 1,034,065.93 × 405,158.23
  4. Step 4: Simplify right side
    749,324.75x = 418,960,321,902.10
  5. Step 5: Solve for x
    x = 418,960,321,902.10/749,324.75
  6. Step 6: Final answer
    x = 559,117.15

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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.