Home / 745,903.07-1,029,346.35-406,371.32

Finding the Fourth Proportional to 745,903.07, 1,029,346.35 and 406,371.32

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Solution

The fourth proportional to 745,903.07, 1,029,346.35 and 406,371.32 is: 560,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,903.07 : 1,029,346.35 = 406,371.32 : x
  2. Step 2: Convert to fraction form
    745,903.07/1,029,346.35 = 406,371.32/x
  3. Step 3: Cross multiply
    745,903.07x = 1,029,346.35 × 406,371.32
  4. Step 4: Simplify right side
    745,903.07x = 418,296,832,954.83
  5. Step 5: Solve for x
    x = 418,296,832,954.83/745,903.07
  6. Step 6: Final answer
    x = 560,792.48

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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.