Home / 734,154.16-1,101,018.23-307,678.83

Finding the Fourth Proportional to 734,154.16, 1,101,018.23 and 307,678.83

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Solution

The fourth proportional to 734,154.16, 1,101,018.23 and 307,678.83 is: 461,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,154.16 : 1,101,018.23 = 307,678.83 : x
  2. Step 2: Convert to fraction form
    734,154.16/1,101,018.23 = 307,678.83/x
  3. Step 3: Cross multiply
    734,154.16x = 1,101,018.23 × 307,678.83
  4. Step 4: Simplify right side
    734,154.16x = 338,759,999,276.68
  5. Step 5: Solve for x
    x = 338,759,999,276.68/734,154.16
  6. Step 6: Final answer
    x = 461,428.97

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Double scale
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1.5x scale

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.