Home / 620,518.28-929,916.27-282,733.43

Finding the Fourth Proportional to 620,518.28, 929,916.27 and 282,733.43

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Solution

The fourth proportional to 620,518.28, 929,916.27 and 282,733.43 is: 423,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,518.28 : 929,916.27 = 282,733.43 : x
  2. Step 2: Convert to fraction form
    620,518.28/929,916.27 = 282,733.43/x
  3. Step 3: Cross multiply
    620,518.28x = 929,916.27 × 282,733.43
  4. Step 4: Simplify right side
    620,518.28x = 262,918,411,980.33
  5. Step 5: Solve for x
    x = 262,918,411,980.33/620,518.28
  6. Step 6: Final answer
    x = 423,707.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.