Home / 802,140.23-1,106,954.57-439,577.35

Finding the Fourth Proportional to 802,140.23, 1,106,954.57 and 439,577.35

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Solution

The fourth proportional to 802,140.23, 1,106,954.57 and 439,577.35 is: 606,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,140.23 : 1,106,954.57 = 439,577.35 : x
  2. Step 2: Convert to fraction form
    802,140.23/1,106,954.57 = 439,577.35/x
  3. Step 3: Cross multiply
    802,140.23x = 1,106,954.57 × 439,577.35
  4. Step 4: Simplify right side
    802,140.23x = 486,592,154,782.55
  5. Step 5: Solve for x
    x = 486,592,154,782.55/802,140.23
  6. Step 6: Final answer
    x = 606,617.32

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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.