Home / 802,071.18-1,106,858.46-439,492.08

Finding the Fourth Proportional to 802,071.18, 1,106,858.46 and 439,492.08

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Solution

The fourth proportional to 802,071.18, 1,106,858.46 and 439,492.08 is: 606,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,071.18 : 1,106,858.46 = 439,492.08 : x
  2. Step 2: Convert to fraction form
    802,071.18/1,106,858.46 = 439,492.08/x
  3. Step 3: Cross multiply
    802,071.18x = 1,106,858.46 × 439,492.08
  4. Step 4: Simplify right side
    802,071.18x = 486,455,526,851.00
  5. Step 5: Solve for x
    x = 486,455,526,851.00/802,071.18
  6. Step 6: Final answer
    x = 606,499.20

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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.