Home / 926,756.03-1,390,414.70-387,274.16

Finding the Fourth Proportional to 926,756.03, 1,390,414.70 and 387,274.16

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Solution

The fourth proportional to 926,756.03, 1,390,414.70 and 387,274.16 is: 581,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,756.03 : 1,390,414.70 = 387,274.16 : x
  2. Step 2: Convert to fraction form
    926,756.03/1,390,414.70 = 387,274.16/x
  3. Step 3: Cross multiply
    926,756.03x = 1,390,414.70 × 387,274.16
  4. Step 4: Simplify right side
    926,756.03x = 538,471,679,010.26
  5. Step 5: Solve for x
    x = 538,471,679,010.26/926,756.03
  6. Step 6: Final answer
    x = 581,028.52

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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.