Home / 738,480.52-1,019,345.36-448,105.24

Finding the Fourth Proportional to 738,480.52, 1,019,345.36 and 448,105.24

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Solution

The fourth proportional to 738,480.52, 1,019,345.36 and 448,105.24 is: 618,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,480.52 : 1,019,345.36 = 448,105.24 : x
  2. Step 2: Convert to fraction form
    738,480.52/1,019,345.36 = 448,105.24/x
  3. Step 3: Cross multiply
    738,480.52x = 1,019,345.36 × 448,105.24
  4. Step 4: Simplify right side
    738,480.52x = 456,773,997,185.69
  5. Step 5: Solve for x
    x = 456,773,997,185.69/738,480.52
  6. Step 6: Final answer
    x = 618,532.22

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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.