Home / 880,345.54-1,320,897.39-475,456.51

Finding the Fourth Proportional to 880,345.54, 1,320,897.39 and 475,456.51

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Solution

The fourth proportional to 880,345.54, 1,320,897.39 and 475,456.51 is: 713,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,345.54 : 1,320,897.39 = 475,456.51 : x
  2. Step 2: Convert to fraction form
    880,345.54/1,320,897.39 = 475,456.51/x
  3. Step 3: Cross multiply
    880,345.54x = 1,320,897.39 × 475,456.51
  4. Step 4: Simplify right side
    880,345.54x = 628,029,263,117.51
  5. Step 5: Solve for x
    x = 628,029,263,117.51/880,345.54
  6. Step 6: Final answer
    x = 713,389.50

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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.