Home / 745,325.14-1,028,496.81-423,041.80

Finding the Fourth Proportional to 745,325.14, 1,028,496.81 and 423,041.80

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Solution

The fourth proportional to 745,325.14, 1,028,496.81 and 423,041.80 is: 583,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,325.14 : 1,028,496.81 = 423,041.80 : x
  2. Step 2: Convert to fraction form
    745,325.14/1,028,496.81 = 423,041.80/x
  3. Step 3: Cross multiply
    745,325.14x = 1,028,496.81 × 423,041.80
  4. Step 4: Simplify right side
    745,325.14x = 435,097,141,796.66
  5. Step 5: Solve for x
    x = 435,097,141,796.66/745,325.14
  6. Step 6: Final answer
    x = 583,768.24

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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.