Home / 731,448.77-1,009,602.19-425,584.23

Finding the Fourth Proportional to 731,448.77, 1,009,602.19 and 425,584.23

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Solution

The fourth proportional to 731,448.77, 1,009,602.19 and 425,584.23 is: 587,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,448.77 : 1,009,602.19 = 425,584.23 : x
  2. Step 2: Convert to fraction form
    731,448.77/1,009,602.19 = 425,584.23/x
  3. Step 3: Cross multiply
    731,448.77x = 1,009,602.19 × 425,584.23
  4. Step 4: Simplify right side
    731,448.77x = 429,670,767,383.44
  5. Step 5: Solve for x
    x = 429,670,767,383.44/731,448.77
  6. Step 6: Final answer
    x = 587,424.28

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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.