Home / 740,555.10-1,021,969.17-401,023.62

Finding the Fourth Proportional to 740,555.10, 1,021,969.17 and 401,023.62

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Solution

The fourth proportional to 740,555.10, 1,021,969.17 and 401,023.62 is: 553,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,555.10 : 1,021,969.17 = 401,023.62 : x
  2. Step 2: Convert to fraction form
    740,555.10/1,021,969.17 = 401,023.62/x
  3. Step 3: Cross multiply
    740,555.10x = 1,021,969.17 × 401,023.62
  4. Step 4: Simplify right side
    740,555.10x = 409,833,776,081.80
  5. Step 5: Solve for x
    x = 409,833,776,081.80/740,555.10
  6. Step 6: Final answer
    x = 553,414.29

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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.