Home / 730,018.77-1,007,415.19-407,733.33

Finding the Fourth Proportional to 730,018.77, 1,007,415.19 and 407,733.33

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Solution

The fourth proportional to 730,018.77, 1,007,415.19 and 407,733.33 is: 562,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,018.77 : 1,007,415.19 = 407,733.33 : x
  2. Step 2: Convert to fraction form
    730,018.77/1,007,415.19 = 407,733.33/x
  3. Step 3: Cross multiply
    730,018.77x = 1,007,415.19 × 407,733.33
  4. Step 4: Simplify right side
    730,018.77x = 410,756,750,111.28
  5. Step 5: Solve for x
    x = 410,756,750,111.28/730,018.77
  6. Step 6: Final answer
    x = 562,666.01

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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.